Places
- Babelsberg
- Letter from: 18.6.1915, Charlottenburg
- Letter from: 12.11.1917, Neu-Babelsberg (Germany)
- Letter from: 21.11.1917, Dünastellung
- Letter from: 24.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 28.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 14.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 17.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 26.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 27.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 3.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 7.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 12.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 23.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 26.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 29.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.6.1919, Allenstein (Germany)
- Letter from: 29.7.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 5.10.1924, Charlottenburg (Berlin;Germany)
- Letter from: 13.7.1925, Saint Moritz (Switzerland)
- Letter from: 19.8.1925, Charlottenburg
- Letter from: 11.7.1926, Charlottenburg
- Letter from: 20.7.1926, Charlottenburg
- Letter from: 23.7.1926, Charlottenburg
- Letter from: 6.7.1927, Herrlingen
- Letter from: 9.7.1927, Båstad (Sweden)
- Baden-Baden
- Letter from: 11.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 13.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 15.8.1922-16.8.1922, Charlottenburg
- Letter from: 23.4.1924, Baden-Baden (Germany)
- Letter from: 27.4.1924, Charlottenburg
- Letter from: 28.4.1924, Baden-Baden (Germany)
- Letter from: 29.4.1924, Charlottenburg
- Letter from: 30.4.1924, Baden-Baden (Germany)
- Letter from: 1.5.1924, Baden-Baden (Germany)
- Letter from: 2.5.1924, Baden-Baden (Germany)
- Letter from: 3.5.1924, Baden-Baden (Germany)
- Letter from: 4.5.1924, Charlottenburg
- Letter from: 4.5.1924, Baden-Baden (Germany)
- Letter from: 5.5.1924, Charlottenburg
- Letter from: 5.5.1924, Charlottenburg
- Letter from: 6.5.1924, Baden-Baden (Germany)
- Letter from: 7.5.1924, Tilsit
- Letter from: 8.5.1924, Tilsit
- Letter from: 8.5.1924, Baden-Baden (Germany)
- Letter from: 12.5.1924, Baden-Baden (Germany)
- Letter from: 14.5.1924, Baden-Baden (Germany)
- Letter from: 14.5.1924, Charlottenburg
- Letter from: 15.5.1924, Charlottenburg
- Letter from: 15.9.1932, Vevey (Switzerland)
- Letter from: 24.9.1932, Assisi (Italy)
- Letter from: 5.9.1942, Stockbridge (Mass.)
- Letter from: 8.9.1942, Stockbridge (Mass.)
- Baltimore
- Letter from: 30.4.1947, San Francisco (Calif.)
- Letter from: 2.7.1947, Washington
- Letter from: 2.7.1947, San Francisco (Calif.)
- Letter from: 4.7.1947, Washington
- Letter from: 5.7.1947, San Francisco (Calif.)
- Letter from: 7.7.1947, San Francisco (Calif.)
- Letter from: 3.11.1947, San Francisco (Calif.)
- Letter from: 3.11.1947, Baltimore
- Letter from: 5.11.1947, Baltimore
- Letter from: 6.11.1947, Washington
- Letter from: 10.11.1947, San Francisco (Calif.)
- Letter from: 18.1.1948, San Francisco (Calif.)
- Letter from: 20.1.1948, Cleveland
- Letter from: 21.1.1948, Baltimore
- Letter from: 22.1.1948, San Francisco (Calif.)
- Letter from: 25.1.1948, San Francisco (Calif.)
- Letter from: 25.1.1948, Washington
- Letter from: 26.1.1948, Washington
- Letter from: 14.11.1948, Washington
- Letter from: 15.11.1948, Baltimore
- Letter from: 10.3.1949, Baltimore
- Letter from: 16.10.1949, New York
- Letter from: 21.6.1950, New York
- Letter from: 22.6.1950, Baltimore
- Letter from: 24.6.1950, San Francisco (Calif.)
- Letter from: 26.6.1950, Saint Louis
- Letter from: 16.8.1950, San Francisco
- Letter from: 20.8.1950, Baltimore
- Letter from: 9.1.1953, San Francisco
- Letter from: 16.7.1953, o.O. [San Francisco]
- Basel
- Letter from: 6.7.1926, Engstlenalp (Switzerland)
- Letter from: 2.6.1932, Zürich
- Letter from: 3.9.1932, Vevey (Switzerland)
- Letter from: 11.9.1932, Vevey (Switzerland)
- Letter from: 15.9.1932, Vevey (Switzerland)
- Letter from: 24.9.1932, Assisi (Italy)
- Letter from: 28.9.1932, Berlin-Spandau
- Letter from: 28.9.1932, Milan (Italy)
- Letter from: 17.2.1933, Zurich (Switzerland)
- Letter from: 17.4.1933, Comologno (Switzerland)
- Letter from: 29.4.1933, Amsterdam
- Letter from: 31.7.1936, London (England)
- Letter from: 3.8.1936, Zurich (Switzerland)
- Letter from: 14.4.1938, Trieste
- Letter from: 22.6.1939, London
- Bastad
- Letter from: 3.7.1927, Båstad (Sweden)
- Letter from: 5.7.1927, Båstad (Sweden)
- Letter from: 7.7.1927, Båstad (Sweden)
- Letter from: 9.7.1927, Båstad (Sweden)
- Letter from: 11.7.1927, Herrlingen
- Letter from: 11.7.1927, Båstad (Sweden)
- Letter from: 13.7.1927, Herrlingen
- Letter from: 15.7.1927, Båstad (Sweden)
- Letter from: 17.7.1927, Båstad (Sweden)
- Letter from: 21.7.1927, Herrlingen
- Letter from: 21.7.1927, Båstad (Sweden)
- Letter from: 23.7.1927, Båstad (Sweden)
- Letter from: 25.7.1927, Båstad (Sweden)
- Letter from: 26.7.1927, Båstad (Sweden)
- Bayreuth
- Letter from: 14.2.1911, Königsberg (Germany)
- Letter from: 2.5.1911, Ebenhausen
- Letter from: 8.6.1911, Bad Kissingen (Germany)
- Letter from: 27.6.1911, Bad Kissingen (Germany)
- Letter from: 22.7.1911, Allenstein
- Letter from: 25.7.1911, Allenstein
- Letter from: 28.7.1911, Garmisch-Partenkirchen (Germany)
- Letter from: 30.7.1911, Garmisch-Partenkirchen (Germany)
- Letter from: 1.8.1911, Allenstein
- Letter from: 6.8.1911, Munich (Germany)
- Letter from: 9.5.1912, Bad Liebenstein (Germany)
- Letter from: 17.5.1912, München
- Letter from: 9.6.1912, München
- Letter from: 10.6.1912, Leipzig (Germany)
- Letter from: 2.7.1912, Leipzig (Germany)
- Letter from: 12.6.1914, Berlin (Germany)
- Berchtesgaden
- Letter from: 26.1.1922, Berchtesgarden
- Letter from: 27.1.1922, Berchtesgaden (Germany)
- Letter from: 27.1.1922, Berchtesgarden
- Letter from: 28.1.1922, Berchtesgaden (Germany)
- Letter from: 28.1.1922, Berchtesgarden
- Letter from: 30.1.1922, Berchtesgaden (Germany)
- Letter from: 30.1.1922, Berchtesgarden
- Letter from: 31.1.1922, Berchtesgaden (Germany)
- Letter from: 31.1.1922, Berchtesgarden
- Letter from: 1.2.1922, Berchtesgaden (Germany)
- Letter from: 1.2.1922, Berchtesgarden
- Letter from: 5.2.1922, Salzburg (Austria)
- Letter from: 5.2.1922, Salzburg
- Berkeley
- Letter from: 13.8.1936, Jerusalem
- Letter from: 20.8.1941, San Francisco (Calif.)
- Letter from: 7.12.1941, New York (N.Y.)
- Letter from: 13.4.1942, New York (N.Y.)
- Letter from: 17.4.1942, San Francisco
- Letter from: 21.4.1942, San Francisco
- Letter from: 23.4.1942, San Francisco
- Letter from: 30.4.1942, San Francisco
- Letter from: 2.5.1942, New York (N.Y.)
- Letter from: 28.10.1945, San Francisco
- Letter from: 4.3.1946, San Francisco (Calif.)
- Letter from: 18.1.1948, San Francisco (Calif.)
- Letter from: 25.1.1948, San Francisco (Calif.)
- Letter from: 28.1.1948 [?], San Francisco (Calif.)
- Letter from: 28.1.1948 [?], San Francisco (Calif.)
- Letter from: 6.2.1950, Chapel Hill
- Letter from: 17.6.1950, San Francisco (Calif.)
- Letter from: 21.6.1950, San Francisco (Calif.)
- Letter from: 12.5.1951, New York
- Letter from: 14.9.1952, Berkeley (Calif.)
- Letter from: o.D. [vmtl. 16.9.1952?], Berkeley (Calif.)
- Letter from: 18.12.1952, San Francisco
- Letter from: 5.3.1953, Dallas
- Letter from: 16.9.1955, Tacoma (Wash.)
- Berlin
- Letter from: 24.1.1911, London (England)
- Letter from: 29.1.1911, München
- Letter from: 3.2.1911, London (England)
- Letter from: 14.2.1911, Königsberg (Germany)
- Letter from: 6.8.1911, Munich (Germany)
- Letter from: 9.8.1911, Allenstein
- Letter from: 11.8.1911, Oberhof (Germany)
- Letter from: 14.8.1911, Allenstein
- Letter from: 15.8.1911, Oberhof (Germany)
- Letter from: 16.4.1912, Leipzig (Germany)
- Letter from: 13.10.1912, Berlin (Germany)
- Letter from: 11.1.1913, Berlin (Germany)
- Letter from: 11.3.1913, Leipzig (Germany)
- Letter from: 22.3.1913, München
- Letter from: 28.3.1913, München
- Letter from: 1.4.1913, Königsberg (Germany)
- Letter from: 6.4.1913, Leipzig (Germany)
- Letter from: 12.5.1913, Königsberg (Germany)
- Letter from: 25.5.1913, Berlin (Germany)
- Letter from: 12.6.1913, München
- Letter from: 26.6.1913, München
- Letter from: 13.7.1913, Allenstein
- Letter from: 10.9.1913, Oberbozen (Italy : Province Trentino)
- Letter from: 19.9.1913, München
- Letter from: 21.9.1913, Como;Lake (Italy)
- Letter from: 19.11.1913, München
- Letter from: 14.3.1914, München
- Letter from: 20.3.1914, Berlin (Germany)
- Letter from: 25.3.1914, München
- Letter from: 20.4.1914, Tremezzo (Italy)
- Letter from: 26.4.1914, Tremezzo (Italy)
- Letter from: 29.5.1914, München
- Letter from: 28.6.1914, Marienbad (Mariánské Lázně, Czech Republic)
- Letter from: 16.7.1914, München
- Letter from: 5.8.1914, Garmisch-Partenkirchen (Germany)
- Letter from: 15.8.1914, Garmisch-Partenkirchen (Germany)
- Letter from: 16.8.1914, Garmisch-Partenkirchen (Germany)
- Letter from: 18.8.1914, München
- Letter from: 20.8.1914, Garmisch-Partenkirchen (Germany)
- Letter from: 21.8.1914, Garmisch-Partenkirchen (Germany)
- Letter from: 26.8.1914, Berlin (Germany)
- Letter from: 27.8.1914, München
- Letter from: 27.8.1914, Berlin (Germany)
- Letter from: 2.9.1914, München
- Letter from: 4.9.1914, Dresden (Germany)
- Letter from: 8.9.1914, München
- Letter from: 10.9.1914, Dresden (Germany)
- Letter from: 16.9.1914, Dresden (Germany)
- Letter from: 16.10.1914, München
- Letter from: 5.11.1914, Berlin (Germany)
- Letter from: 10.11.1914, München
- Letter from: 29.12.1914, Dresden (Germany)
- Letter from: 1.1.1915, Dresden (Germany)
- Letter from: 2.1.1915, Dresden (Germany)
- Letter from: 3.4.1915, Bad Saarow-Pieskow (Germany)
- Letter from: 6.4.1915, Bad Saarow-Pieskow (Germany)
- Letter from: 12.4.1915, Bad Saarow-Pieskow (Germany)
- Letter from: 14.4.1915, Berlin
- Letter from: 18.4.1915, Konitz (Germany)
- Letter from: 28.6.1915, Dresden (Germany)
- Letter from: 17.7.1915, Dresden (Germany)
- Letter from: 21.7.1915, Dresden (Germany)
- Letter from: 22.7.1915, Dresden (Germany)
- Letter from: 5.8.1915, Dresden (Germany)
- Letter from: 19.3.1916, Berlin (Germany)
- Letter from: 4.5.1916, Berlin (Germany)
- Letter from: 15.5.1917, Oberammergau (Germany)
- Letter from: 28.5.1917, Ilipan
- Letter from: 17.6.1917, Oberammergau (Germany)
- Letter from: 29.6.1917, Ilipan
- Letter from: 3.7.1917, Oberammergau (Germany)
- Letter from: 10.7.1917, Oberammergau (Germany)
- Letter from: 2.8.1917, Oberammergau (Germany)
- Letter from: 3.8.1917, Oberammergau (Germany)
- Letter from: 19.8.1917, Ilipan
- Letter from: 20.8.1917, Ilipan
- Letter from: 26.8.1917, Ilipan
- Letter from: 7.9.1917, Oberammergau (Germany)
- Letter from: 10.9.1917, Oberammergau (Germany)
- Letter from: 11.9.1917, Oberammergau (Germany)
- Letter from: 11.9.1917, Ilipan
- Letter from: 19.9.1917, Oberammergau (Germany)
- Letter from: 23.9.1917, Ilipan
- Letter from: 5.10.1917, Oberammergau (Germany)
- Letter from: 9.10.1917, Oberammergau (Germany)
- Letter from: 10.10.1917, Oberammergau (Germany)
- Letter from: 12.10.1917, Oberammergau (Germany)
- Letter from: 21.10.1917, Dünastellung
- Letter from: 25.10.1917, Oberammergau (Germany)
- Letter from: 26.10.1917, Oberammergau (Germany)
- Letter from: 27.10.1917, Dünastellung
- Letter from: 28.10.1917, Oberammergau (Germany)
- Letter from: 29.10.1917-1.11.1917, Dünastellung
- Letter from: 30.10.1917, Charlottenburg (Berlin;Germany)
- Letter from: 30.10.1917, Dünastellung
- Letter from: 30.10.1917, Dünastellung
- Letter from: 13.11.1917, Dünastellung
- Letter from: 24.11.1917-25.11.1917, Dünastellung
- Letter from: 5.12.1917-6.12.1917, Dünastellung
- Letter from: 9.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 24.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 29.3.1918, Libau
- Letter from: 1.4.1918, Libau
- Letter from: 2.4.1918, Libau
- Letter from: 22.4.1918, Libau
- Letter from: 2.5.1918, Libau
- Letter from: 5.5.1918, Libau
- Letter from: 21.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.5.1918, Libau
- Letter from: 12.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.7.1918-14.7.1918, Pont du Hem
- Letter from: 31.7.1918, P.L.
- Letter from: 9.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 19.8.1918, V.
- Letter from: 20.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 10.10.1918, Hal
- Letter from: 6.6.1919, Allenstein (Germany)
- Letter from: 7.6.1919, Allenstein (Germany)
- Letter from: 18.6.1919, Charlottenburg
- Letter from: 9.5.1920, Königsberg (Germany)
- Letter from: 12.6.1920, Allenstein (Germany)
- Letter from: 25.6.1920, Allenstein (Germany)
- Letter from: 29.6.1920, Königsberg (Germany)
- Letter from: 5.7.1920, Nidden
- Letter from: 31.1.1922, Berchtesgaden (Germany)
- Letter from: 31.1.1922, Berchtesgarden
- Letter from: 5.6.1922 [recte: 4.6.1922], Schönwald im Schwarzwald (Germany)
- Letter from: 4.6.1922, St. Alban
- Letter from: 14.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 19.6.1922, Frankfurt
- Letter from: 22.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 23.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 7.7.1922, Berlin
- Letter from: 9.7.1922, Berlin
- Letter from: 15.7.1922, Berlin
- Letter from: 29.7.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 11.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 14.8.1922, Charlottenburg
- Letter from: 16.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 19.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 23.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 24.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 29.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 5.7.1923, Berlin
- Letter from: 23.4.1924, Baden-Baden (Germany)
- Letter from: 24.4.1924, Baden-Baden (Germany)
- Letter from: 28.4.1924, Baden-Baden (Germany)
- Letter from: 1.5.1924, Baden-Baden (Germany)
- Letter from: 12.5.1924, Baden-Baden (Germany)
- Letter from: 12.7.1924, Herrlingen (Germany)
- Letter from: 3.10.1924, Charlottenburg (Berlin;Germany)
- Letter from: 9.10.1924-10.10.1924, an Board
- Letter from: 16.10.1924, Berlin (Germany)
- Letter from: 17.11.1924, New York
- Letter from: 2.12.1924, An Bord der Deutschland
- Letter from: 3.12.1924, An Bord der Deutschland
- Letter from: 15.1.1925, Fürstenberg (Germany)
- Letter from: 1.6.1925, Garatshausen - Tutzing
- Letter from: 6.7.1925, Charlottenburg
- Letter from: 6.7.1925, Saint Moritz (Switzerland)
- Letter from: 4.8.1925, Saint Moritz (Switzerland)
- Letter from: 5.8.1925, Charlottenburg
- Letter from: 19.8.1925, Saint Moritz (Switzerland)
- Letter from: 17.10.1925, Petrograd
- Letter from: 23.7.1926, Charlottenburg
- Letter from: 24.7.1926, Charlottenburg
- Letter from: 4.8.1926, Leningrad
- Letter from: 8.9.1926, Stuttgart
- Letter from: 5.7.1927, Båstad (Sweden)
- Letter from: 7.7.1927, Båstad (Sweden)
- Letter from: 21.7.1927, Herrlingen
- Letter from: 23.7.1927, Båstad (Sweden)
- Letter from: 28.5.1928, Charlottenburg
- Letter from: 8.7.1928, Charlottenburg
- Letter from: 20.7.1928, Charlottenburg
- Letter from: 27.7.1928, Kampen auf Sylt
- Letter from: 0.1.1929, St. Moritz
- Letter from: 3.1.1929, Saint Moritz (Switzerland)
- Letter from: 12.1.1929, Charlottenburg
- Letter from: 21.11.1929, Bilbao (Spain)
- Letter from: 2.3.1930, Charlottenburg
- Letter from: 4.3.1930, Krefeld (Germany)
- Letter from: 19.5.1931, Athens (Greece)
- Letter from: 31.10.1931, Zurich (Switzerland)
- Letter from: 2.11.1931, Cannes
- Letter from: 5.11.1931, Cannes
- Letter from: 10.11.1931, Berlin-Spandau
- Letter from: 12.11.1931, Ascona (Switzerland)
- Letter from: 14.11.1931, Ascona (Switzerland)
- Letter from: 21.4.1932, Oslo
- Letter from: 3.6.1932, Zürich
- Letter from: 18.8.1932, Comologno - Tessin
- Letter from: 11.9.1932, Vevey (Switzerland)
- Letter from: 28.9.1932, Milan (Italy)
- Letter from: 27.1.1933, Berlin
- Letter from: 27.1.1933, Cavalière (France)
- Letter from: 27.1.1933, Berlin
- Letter from: 29.1.1933, Berlin-Spandau
- Letter from: 2.2.1933, Berlin
- Letter from: 15.2.1933, Antibes (France)
- Letter from: 23.2.1933, Berlin
- Letter from: 15.4.1933, Brüssel
- Letter from: 17.4.1933, Comologno (Switzerland)
- Letter from: 24.4.1933, Comologno (Switzerland)
- Letter from: 28.4.1933, Comologno (Switzerland)
- Letter from: 22.5.1933, Haarlem (Netherlands)
- Letter from: 2.6.1933, Amsterdam (Netherlands)
- Letter from: 7.6.1933, Amsterdam (Netherlands)
- Letter from: 5.8.1933-31.8.1933, Matfield, Kent (England) und London
- Letter from: 22.8.1933, London (England)
- Letter from: 29.8.1933, London (England)
- Letter from: 4.1.1935, London (England)
- Letter from: 15.5.1935, Jerusalem
- Letter from: 26.6.1935, Jerusalem
- Letter from: 15.8.1935, Jerusalem
- Letter from: 26.9.1935, Jerusalem
- Letter from: 17.1.1936, Zurich (Switzerland)
- Letter from: 20.1.1936, Breslau
- Letter from: 20.1.1936, Zurich (Switzerland)
- Letter from: 25.1.1936, Jerusalem
- Letter from: 26.1.1936, Zurich (Switzerland)
- Letter from: 3.7.1936, London (England)
- Letter from: 15.7.1936, London (England)
- Letter from: 21.7.1936, London (England)
- Letter from: 12.4.1938-13.4.1938, London (England)
- Letter from: 16.11.1945, San Francisco
- Letter from: 19.11.1945, Croton-on-Hudson (N.Y.)
- Letter from: 10.2.1949, San Francisco (Calif.)
- Letter from: 25.12.1952, San Francisco
- Letter from: 29.5.1953, o.O. [vmtl. Berlin]
- Letter from: ohne Datum, Berlin
- Berlin <Am Rupenhorn 6>
- Letter from: 13.7.1930, Zürich
- Letter from: 31.12.1930, Paris
- Letter from: 2.1.1931, Paris
- Letter from: 4.1.1931, Paris
- Letter from: 19.1.1931, St.Moritz
- Letter from: 18.4.1932, Oslo
- Letter from: 30.5.1932, Zürich
- Letter from: 30.5.1932, Zürich
- Letter from: 2.6.1932, Zürich
- Letter from: 3.6.1932, Zürich
- Letter from: 9.9.1932, Berlin-Spandau
- Letter from: 11.9.1932-12.9.1932, Berlin-Spandau
- Letter from: 20.9.1932, Berlin-Spandau
- Letter from: 23.9.1932, Berlin-Spandau
- Letter from: 28.9.1932, Berlin-Spandau
- Letter from: 30.12.1932, Paris
- Letter from: 22.1.1933, Zurich (Switzerland)
- Letter from: 24.1.1933, Lyon (France)
- Letter from: 27.1.1933, Cannes (France)
- Letter from: 30.1.1933, Berlin-Spandau
- Letter from: 3.2.1933, Berlin-Spandau
- Letter from: 11.2.1933, Berlin-Spandau
- Letter from: 14.2.1933, Rupenhorn
- Letter from: 18.2.1933, Berlin-Spandau
- Letter from: 19.3.1942, Michigan
- Letter from: 5.11.1945, San Francisco
- Berlin-Charlottenburg
- Letter from: 30.11.1914, Charlottenburg
- Letter from: 7.12.1914, Charlottenburg
- Letter from: 13.12.1914, Charlottenburg
- Letter from: 14.12.1914, Charlottenburg
- Letter from: 19.12.1914-20.12.1914, Charlottenburg
- Letter from: 21.12.1914, Charlottenburg
- Letter from: 22.12.1914, Charlottenburg
- Letter from: 23.12.1914, Charlottenburg
- Letter from: 24.12.1914, Charlottenburg
- Letter from: 25.12.1914, Charlottenburg
- Letter from: 27.12.1914, Charlottenburg
- Letter from: 29.12.1914, Charlottenburg
- Letter from: 30.12.1914, Charlottenburg
- Letter from: 31.12.1914, Charlottenburg
- Letter from: 1.1.1915, Charlottenburg
- Letter from: 24.1.1915, Charlottenburg
- Letter from: 28.1.1915, Charlottenburg
- Letter from: 4.2.1915, Charlottenburg
- Letter from: 8.2.1915, Charlottenburg
- Letter from: 17.2.1915-20.2.1915, Charlottenburg
- Letter from: 2.3.1915, Charlottenburg
- Letter from: 5.3.1915, Charlottenburg
- Letter from: 7.3.1915, Charlottenburg
- Letter from: 30.3.1915, Charlottenburg
- Letter from: 31.3.1915, Charlottenburg
- Letter from: 2.4.1915, Charlottenburg
- Letter from: 3.4.1915, Charlottenburg
- Letter from: 4.4.1915, Charlottenburg
- Letter from: 6.4.1915, Charlottenburg
- Letter from: 7.4.1915, Charlottenburg
- Letter from: 8.4.1915, Charlottenburg
- Letter from: 10.4.1915, Charlottenburg
- Letter from: 11.4.1915, Charlottenburg
- Letter from: 13.4.1915, Charlottenburg
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- Letter from: 1.8.1915, Charlottenburg
- Letter from: 14.12.1915, Berlin (Germany)
- Letter from: 10.4.1917, Berlin (Germany)
- Letter from: 28.9.1917, Charlottenburg (Berlin;Germany)
- Letter from: 29.10.1917, Charlottenburg (Berlin;Germany)
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- Letter from: 1.11.1917, Charlottenburg (Berlin;Germany)
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- Letter from: 9.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 10.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 11.11.1917, Charlottenburg (Berlin;Germany)
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- Letter from: 27.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 28.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 29.11.1917, Charlottenburg (Berlin;Germany)
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- Letter from: 1.12.1917, Charlottenburg (Berlin;Germany)
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- Letter from: 6.12.1917, Charlottenburg (Berlin;Germany)
- Letter from: 9.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 16.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 17.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 18.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 19.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 20.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 20.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 21.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.3.1918-23.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 25.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 25.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 26.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 27.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 28.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 29.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 30.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 31.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 1.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 2.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 3.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 3.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 5.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 7.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 8.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 9.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 10.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 11.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 12.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 14.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 16.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 17.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 18.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 19.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 21.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 23.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 23.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 24.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 25.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 26.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 27.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 28.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 29.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 30.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 1.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 2.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 3.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 4.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 4.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 5.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 7.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 8.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 9.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 10.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 11.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 14.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 16.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 17.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 19.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 20.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 21.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 28.5.1918, Charlottenburg (Berlin;Germany)
- Letter from: 27.6.1918, Charlottenburg (Berlin;Germany)
- Letter from: 28.6.1918, Charlottenburg (Berlin;Germany)
- Letter from: 29.6.1918, Charlottenburg (Berlin;Germany)
- Letter from: 4.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 8.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 9.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 10.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 11.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 16.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 20.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 26.9.1918, Charlottenburg (Berlin;Germany)
- Letter from: 09.10.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.5.1920, Allenstein (Germany)
- Letter from: 15.5.1920, Königsberg (Germany)
- Letter from: 6.9.1921, Gosaumühle
- Letter from: 7.9.1921, Gosaumühle
- Letter from: 10.9.1921, Gosaumühle
- Letter from: 13.9.1921, Gosaumühle
- Letter from: 26.1.1922, Berchtesgarden
- Letter from: 27.1.1922, Berchtesgarden
- Letter from: 28.1.1922, Berchtesgarden
- Letter from: 30.1.1922, Berchtesgarden
- Letter from: 31.1.1922, Berchtesgarden
- Letter from: 1.2.1922, Berchtesgarden
- Letter from: 1.6.1922, Charlottenburg
- Letter from: 9.8.1922, Charlottenburg
- Letter from: 11.8.1922, Charlottenburg
- Letter from: 21.8.1922, Charlottenburg
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- Letter from: 21.2.1923, München
- Letter from: 22.2.1923, Salzburg
- Letter from: 23.2.1923, Trieste
- Letter from: 24.2.1923, Brindisi
- Letter from: 27.2.1923, zwischen Kreta und Alexandria
- Letter from: 28.2.1923, Jaffa
- Letter from: 4.3.1923, Tiberias
- Letter from: 11.3.1923, Jerusalem
- Letter from: 14.3.1923, Tel Aviv
- Letter from: 18.3.1923, Kairo
- Letter from: 21.3.1923, Luxor
- Letter from: 25.3.1923, vor Brindisi
- Letter from: 21.8.1923, Herrlingen bei Ulm
- Letter from: 23.8.1923, Charlottenburg (Berlin;Germany)
- Letter from: 24.8.1923, Charlottenburg (Berlin;Germany)
- Letter from: 26.8.1923, Charlottenburg (Berlin;Germany)
- Letter from: 29.4.1924, Charlottenburg
- Letter from: 4.5.1924, Charlottenburg
- Letter from: 5.5.1924, Charlottenburg
- Letter from: 10.5.1924, Charlottenburg
- Letter from: 15.5.1924, Charlottenburg
- Letter from: 10.7.1924, Charlottenburg
- Letter from: 14.7.1924, Charlottenburg
- Letter from: 22.9.1924, Charlottenburg (Berlin;Germany)
- Letter from: 3.10.1924, Charlottenburg (Berlin;Germany)
- Letter from: 12.10.1924, Charlottenburg (Berlin;Germany)
- Letter from: 16.10.1924, Berlin (Germany)
- Letter from: 17.11.1924, New York
- Letter from: 28.1.1925, Charlottenburg
- Letter from: 2.7.1925, Charlottenburg
- Letter from: 3.7.1925, Charlottenburg
- Letter from: 8.7.1925, Charlottenburg
- Letter from: 14.7.1925, Charlottenburg
- Letter from: 25.7.1925, Chantarella
- Letter from: 25.7.1925, Chantarella
- Letter from: 29.8.1925, Charlottenburg
- Letter from: 17.10.1925, Petrograd
- Letter from: 30.12.1925, St. Moritz
- Letter from: 11.7.1926, Charlottenburg
- Letter from: 23.7.1926, Charlottenburg
- Letter from: 16.1.1929, Paris (France)
- Letter from: 2.3.1930, Charlottenburg
- Letter from: 4.3.1930, Charlottenburg
- Letter from: 30.6.1930, Am Rupenhorn 6
- Letter from: ohne Datum, Berlin
- Berlin-Charlottenburg <Ahornallee 25>
- Letter from: 17.6.1920, Charlottenburg
- Letter from: 25.6.1922, Charlottenburg
- Letter from: 28.6.1922, Charlottenburg
- Letter from: 29.6.1922, Charlottenburg
- Letter from: 1.7.1922, Charlottenburg
- Letter from: 3.7.1922, Charlottenburg
- Letter from: 10.7.1922, Charlottenburg
- Letter from: 11.7.1922, Charlottenburg
- Letter from: 26.7.1922, Charlottenburg
- Letter from: 30.7.1922, Charlottenburg
- Letter from: 3.8.1922, Charlottenburg
- Letter from: 21.1.1925, Charlottenburg
- Letter from: 28.1.1925, Charlottenburg
- Letter from: 1.2.1925, Charlottenburg
- Letter from: 10.2.1925, Charlottenburg
- Letter from: 12.2.1925, Charlottenburg
- Letter from: 20.4.1925, Charlottenburg
- Letter from: 28.6.1925, Charlottenburg
- Berlin-Charlottenburg <Kaiserdamm 67>
- Letter from: 22.10.1917, Dünastellung
- Letter from: 23.10.1917, Dünastellung
- Letter from: 24.10.1917, Dünastellung
- Letter from: 25.10.1917-26.10.1917, Dünastellung
- Letter from: 27.10.1917, Dünastellung
- Letter from: 29.10.1917-1.11.1917, Dünastellung
- Letter from: 30.10.1917, Dünastellung
- Letter from: 30.10.1917, Dünastellung
- Letter from: 30.10.1917, Charlottenburg (Berlin;Germany)
- Letter from: 31.10.1917, Charlottenburg (Berlin;Germany)
- Letter from: 1.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 3.11.1917-4.11.1917, Dünastellung
- Letter from: 6.11.1917-7.11.1917, Dünastellung
- Letter from: 8.11.1917, Dünastellung
- Letter from: 9.11.1917, Dünastellung
- Letter from: 9.11.1917-10.11.1917, Dünastellung
- Letter from: 11.11.1917-12.11.1917, Dünastellung
- Letter from: 13.11.1917, Dünastellung
- Letter from: 14.11.1917-15.11.1917, Dünastellung
- Letter from: 15.11.1917-16.11.1917, Dünastellung
- Letter from: 16.11.1917-17.11.1917, Dünastellung
- Letter from: 17.11.1917-18.11.1917, Dünastellung
- Letter from: 19.11.1917, Dünastellung
- Letter from: 20.11.1917, Dünastellung
- Letter from: 21.11.1917-22.11.1917, Dünastellung
- Letter from: 22.11.1917-23.11.1917, Dünastellung
- Letter from: 23.11.1917-24.11.1917, Dünastellung
- Letter from: 25.11.1917-26.11.1917, Dünastellung
- Letter from: 27.11.1917-28.11.1917, Dünastellung
- Letter from: 27.11.1917, Dünastellung
- Letter from: 29.11.1917-30.11.1917, Dünastellung
- Letter from: 30.11.1917-1.12.1917, Dünastellung
- Letter from: 1.12.1917-2.12.1917, Dünastellung
- Letter from: 3.12.1917-4.12.1917, Dünastellung
- Letter from: 3.12.1917, Dünastellung
- Letter from: 4.12.1917, Dünastellung
- Letter from: 12.3.1918, Libau
- Letter from: 13.3.1918, Libau
- Letter from: 14.3.1918, Libau
- Letter from: 15.3.1918, Libau
- Letter from: 16.3.1918-17.3.1918, Libau
- Letter from: 18.3.1918, Libau
- Letter from: 19.3.1918, Libau
- Letter from: 21.3.1918, Libau
- Letter from: 22.3.1918, Libau
- Letter from: 24.3.1918, Libau
- Letter from: 26.3.1918, Libau
- Letter from: 27.3.1918, Libau
- Letter from: 28.3.1918, Libau
- Letter from: 29.3.1918, Libau
- Letter from: 30.3.1918-31.3.1918, Libau
- Letter from: 1.4.1918, Libau
- Letter from: 2.4.1918, Libau
- Letter from: 3.4.1918, Libau
- Letter from: 4.4.1918, Libau
- Letter from: 6.4.1918, Libau
- Letter from: 7.4.1918, Libau
- Letter from: 8.4.1918, Libau
- Letter from: 8.4.1918, Libau
- Letter from: 10.4.1918, Libau
- Letter from: 11.4.1918, Libau
- Letter from: 12.4.1918, Libau
- Letter from: 13.4.1918, Libau
- Letter from: 14.4.1918, Libau
- Letter from: 15.4.1918, Libau
- Letter from: 16.4.1918, Libau
- Letter from: 17.4.1918, Libau
- Letter from: 18.4.1918, Libau
- Letter from: 19.4.1918, Libau
- Letter from: 21.4.1918, Libau
- Letter from: 21.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 22.4.1918, Libau
- Letter from: 23.4.1918, Libau
- Letter from: 24.4.1918, Libau
- Letter from: 26.4.1918, Libau
- Letter from: 26.4.1918, Libau
- Letter from: 28.4.1918, Libau
- Letter from: 29.4.1918, Libau
- Letter from: 30.4.1918, Libau
- Letter from: 1.5.1918, Libau
- Letter from: 2.5.1918, Libau
- Letter from: 3.5.1918, Libau
- Letter from: 4.5.1918, Libau
- Letter from: 5.5.1918, Libau
- Letter from: 6.5.1918, Libau
- Letter from: 7.5.1918, Libau
- Letter from: 8.5.1918, Libau
- Letter from: 9.5.1918, Libau
- Letter from: 10.5.1918, Libau
- Letter from: 12.5.1918, Libau
- Letter from: 13.5.1918, Libau
- Letter from: 15.5.1918, Libau
- Letter from: 16.5.1918, Libau
- Letter from: 17.5.1918, Libau
- Letter from: 18.5.1918, Libau
- Letter from: 20.5.1918, Libau
- Letter from: 21.5.1918, Libau
- Letter from: 22.5.1918, Libau
- Letter from: 24.5.1918, Libau
- Letter from: 25.5.1918, Libau
- Letter from: 26.5.1918, Libau
- Letter from: 27.5.1918, Libau
- Letter from: 28.5.1918, Libau
- Letter from: 29.5.1918, Libau
- Letter from: 31.5.1918, Libau
- Letter from: 15.6.1920, Allenstein (Germany)
- Berlin-Charlottenburg <Kastanienallee 32, Pension Westend>
- Letter from: 2.6.1913, Berlin (Germany)
- Letter from: 9.6.1913, Berlin (Germany)
- Letter from: 28.6.1913, Berlin (Germany)
- Letter from: 16.11.1913, Berlin (Germany)
- Letter from: 21.11.1913, Berlin (Germany)
- Letter from: 23.11.1913, Berlin (Germany)
- Letter from: 3.12.1913, Berlin (Germany)
- Letter from: 16.12.1913, Berlin (Germany)
- Letter from: 19.1.1914, Berlin (Germany)
- Letter from: 27.2.1914, Berlin (Germany)
- Letter from: 4.10.1914, Berlin (Germany)
- Letter from: 5.10.1914, Berlin (Germany)
- Letter from: 6.10.1914, Berlin (Germany)
- Letter from: 9.10.1914, Berlin (Germany)
- Letter from: 11.10.1914, Berlin (Germany)
- Letter from: 14.10.1914, Berlin (Germany)
- Letter from: 16.10.1914, Berlin (Germany)
- Letter from: 18.10.1914, Berlin (Germany)
- Letter from: 18.10.1914, Berlin (Germany)
- Letter from: 19.10.1914, Berlin (Germany)
- Letter from: 20.10.1914, Berlin (Germany)
- Letter from: 23.10.1914, Berlin (Germany)
- Letter from: 24.10.1914, Berlin (Germany)
- Letter from: 29.10.1914, Berlin (Germany)
- Letter from: 1.11.1914, Berlin (Germany)
- Letter from: 3.11.1914, Berlin (Germany)
- Letter from: 7.3.1915, Charlottenburg
- Letter from: 9.6.1915, Chemnitz
- Letter from: 7.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 7.7.1922, Charlottenburg
- Letter from: 8.7.1922, Charlottenburg
- Letter from: 10.7.1922, Charlottenburg
- Letter from: 24.7.1922, Charlottenburg
- Letter from: 30.7.1922, Charlottenburg
- Letter from: 9.7.1925, Charlottenburg
- Letter from: 11.7.1925-12.7.1925, Charlottenburg
- Letter from: 12.7.1925, Charlottenburg
- Letter from: 14.7.1925, Charlottenburg
- Letter from: 17.7.1925, Charlottenburg
- Letter from: 5.8.1925, Charlottenburg
- Letter from: 7.8.1925, Charlottenburg
- Letter from: 9.8.1925, Charlottenburg
- Letter from: 11.8.1925, Charlottenburg
- Letter from: 21.8.1925, Charlottenburg
- Letter from: 25.8.1925, Charlottenburg
- Letter from: 29.8.1925, Charlottenburg
- Letter from: 10.5.1926, S.D.
- Letter from: 11.5.1926, Wiborg
- Letter from: 6.7.1926, Charlottenburg
- Letter from: 16.7.1926, Charlottenburg
- Letter from: 4.9.1926, Unteruhldingen
- Letter from: 8.9.1926, Stuttgart
- Letter from: 30.5.1928, Reichenau-Oberzell
- Letter from: 8.7.1928, Charlottenburg
- Letter from: 28.7.1928, Charlottenburg
- Letter from: 4.11.1928, Mannheim
- Letter from: 16.12.1928, St. Moritz
- Letter from: 9.1.1929, Monte-Carlo (Monaco)
- Letter from: 12.1.1929, Charlottenburg
- Letter from: 23.12.1929, Berlin (Germany)
- Letter from: 30.12.1929, St. Moritz
- Letter from: 1.1.1930, St. Moritz
- Letter from: 3.2.1933, Berlin-Spandau
- Berlin-Spandau
- Letter from: 12.1.1916, Spandau
- Letter from: 13.1.1916, Spandau
- Letter from: 19.3.1916, Berlin (Germany)
- Letter from: 18.5.1916, Spandau
- Letter from: 13.6.1916, Spandau
- Letter from: 21.6.1916, Spandau
- Letter from: 11.9.1916, Spandau
- Letter from: 29.1.1917, Spandau
- Letter from: 22.5.1917, Ilipan
- Letter from: 5.7.1917, Ilipan
- Letter from: 10.9.1917, Ilipan
- Letter from: 12.3.1918, Libau
- Letter from: 10.4.1918, Libau
- Letter from: 11.4.1918, Libau
- Letter from: 13.4.1918, Libau
- Letter from: 13.7.1930, Zürich
- Letter from: 31.12.1930, Paris
- Letter from: 4.1.1931, Paris
- Letter from: 17.1.1931, St.Moritz
- Letter from: 19.1.1931, St.Moritz
- Letter from: 20.1.1931, Berlin (Germany)
- Letter from: 10.11.1931, Berlin-Spandau
- Letter from: 12.3.1932, Oslo
- Letter from: 18.4.1932, Oslo
- Letter from: 29.5.1932, Berlin (Germany)
- Letter from: 2.6.1932, Berlin (Germany)
- Letter from: 2.6.1932, Zürich
- Letter from: 3.6.1932, Zürich
- Letter from: 6.9.1932, Berlin-Spandau
- Letter from: 9.9.1932, Berlin-Spandau
- Letter from: 20.9.1932, Berlin-Spandau
- Letter from: 23.9.1932, Berlin-Spandau
- Letter from: 28.9.1932, Berlin-Spandau
- Letter from: 30.12.1932, Paris
- Letter from: 30.1.1933, Berlin-Spandau
- Letter from: 3.2.1933, Berlin-Spandau
- Letter from: 7.2.1933, Berlin-Spandau
- Letter from: 8.2.1933, Berlin
- Letter from: 11.2.1933, Berlin-Spandau
- Letter from: 14.2.1933, Rupenhorn
- Letter from: 23.7.1936, Jerusalem
- Berlin-Westend
- Letter from: 2.6.1913, Berlin (Germany)
- Letter from: 18.2.1914, Berlin (Germany)
- Letter from: 19.2.1914, Berlin (Germany)
- Letter from: 18.5.1914, Berlin (Germany)
- Letter from: 17.6.1914, Berlin (Germany)
- Letter from: 19.9.1914, Dresden (Germany)
- Letter from: 20.9.1914, Dresden (Germany)
- Letter from: 23.9.1914, Berlin (Germany)
- Letter from: 2.10.1914, Berlin (Germany)
- Letter from: 4.10.1914, Berlin (Germany)
- Letter from: 9.11.1914, Berlin (Germany)
- Letter from: 1.3.1915, Berlin (Germany)
- Letter from: 12.4.1915, Bad Saarow-Pieskow (Germany)
- Letter from: 23.7.1915, Charlottenburg
- Letter from: 20.9.1915, Berlin Westend (Germany)
- Letter from: 21.9.1915, Berlin (Germany)
- Letter from: 22.9.1915, Berlin (Germany)
- Letter from: 1.12.1917-2.12.1917, Dünastellung
- Letter from: 5.6.1920, Gilgenburg (Prussia)
- Letter from: 19.6.1920, Charlottenburg
- Letter from: 24.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 19.8.1923, Berlin (Germany)
- Letter from: 20.8.1923, Berlin (Germany)
- Letter from: 11.9.1923, Herrlingen
- Letter from: 11.9.1923, Herrlingen (Blaustein;Germany)
- Letter from: 5.10.1924, Charlottenburg (Berlin;Germany)
- Letter from: 16.10.1924, Berlin (Germany)
- Letter from: 17.10.1924, New York (N.Y.)
- Letter from: 23.10.1924, Berlin (Germany)
- Letter from: 29.10.1924, Berlin (Germany)
- Letter from: 31.10.1924, Berlin (Germany)
- Letter from: 17.11.1924, New York
- Letter from: 4.6.1925, Berlin (Germany)
- Letter from: 25.7.1925, Chantarella
- Letter from: 25.7.1925, Chantarella
- Letter from: 30.12.1925, St. Moritz
- Letter from: 12.5.1926, Berlin (Germany)
- Letter from: 20.7.1926, Charlottenburg
- Letter from: 9.8.1926, Berlin (Germany)
- Letter from: 4.9.1926, Berlin (Germany)
- Letter from: 7.9.1926, Berlin (Germany)
- Letter from: 8.9.1926, Berlin (Germany)
- Letter from: 11.5.1927, Fürstenberg (Germany)
- Letter from: 12.7.1928, Charlottenburg
- Letter from: 23.12.1929, Berlin (Germany)
- Letter from: 28.12.1929, Berlin (Germany)
- Letter from: 29.5.1953, o.O. [vmtl. Berlin]
- Breslau
- Letter from: 19.3.1911, München
- Letter from: 20.8.1913, Breslau
- Letter from: 22.9.1915, Allenstein
- Letter from: 11.5.1920, Charlottenburg
- Letter from: 5.6.1920, Gilgenburg (Prussia)
- Letter from: 10.6.1922, St-Alban
- Letter from: 14.8.1922, Charlottenburg
- Letter from: 15.8.1922-16.8.1922, Charlottenburg
- Letter from: 18.8.1922, Charlottenburg
- Letter from: 21.8.1922, Charlottenburg
- Letter from: 14.4.1935, Lausanne (Switzerland)
- Letter from: 15.8.1935, Jerusalem
- Letter from: 20.1.1936, Breslau
- Brindisi
- Letter from: 24.2.1923, An Bord der
- Letter from: 24.2.1923, Brindisi
- Letter from: 27.2.1923, zwischen Kreta und Alexandria
- Letter from: 27.2.1923, zwischen Kreta und Alexandria
- Letter from: 28.2.1923, Jaffa
- Letter from: 28.2.1923, Jaffa
- Letter from: 14.3.1923, Tel Aviv
- Letter from: 18.3.1923, Kairo
- Letter from: 25.3.1923, vor Brindisi
- Letter from: 6.12.1934, Cairo (Egypt)
- Letter from: 19.1.1935, Jerusalem
- Letter from: 19.1.1935, Jerusalem
- Letter from: 1.4.1935, Auf dem Flug mit dem Flugboot Sylvanus von Brindisi nach Alexandria
- Letter from: 30.6.1935, vor Creta
- Letter from: 1.7.1935, zwischen Brindisi und Venedig
- Letter from: 1.7.1935, zwischen Brindisi und Venedig
- Letter from: 21.7.1935, Jerusalem
- Letter from: 11.9.1935, Auf dem Flug Alexandria, Kreta, Athen, Brindisi
- Letter from: 14.9.1935, Paris
- Letter from: 20.1.1936, Zurich (Switzerland)
- Letter from: 3.2.1936, An Bord der Calitea vor Brindisi
- Letter from: 5.2.1936, Athens (Greece)
- Letter from: 5.7.1936, London (England)
- Letter from: 12.8.1936, Salzburg (Austria)
- Letter from: 6.5.1937, Auf dem Flug von Rom nach Athen
- Letter from: 7.8.1937, Jerusalem
- Letter from: 12.4.1938-13.4.1938, London (England)
- Letter from: 14.4.1938, Trieste
- Letter from: 20.4.1938, London (England)
- Letter from: 22.6.1939, London
- Brüssel
- Letter from: 19.1.1914, Berlin (Germany)
- Letter from: 21.8.1914, München
- Letter from: 8.6.1917, Ilipan
- Letter from: 8.7.1917, Oberammergau (Germany)
- Letter from: 8.8.1917, Ilipan
- Letter from: 13.8.1917, Oberammergau (Germany)
- Letter from: 10.9.1917, Ilipan
- Letter from: 9.5.1918, Libau
- Letter from: 15.6.1918, vor Köln
- Letter from: 16.6.1918, vor Brüssel
- Letter from: 18.6.1918, Charlottenburg (Berlin;Germany)
- Letter from: 19.6.1918, Pont du Hem
- Letter from: 22.6.1918, Charlottenburg (Berlin;Germany)
- Letter from: 6.7.1918, Seclin
- Letter from: 11.7.1918, Charlottenburg (Berlin;Germany)
- Letter from: 8.10.1918, Charlottenburg (Berlin;Germany)
- Letter from: 15.10.1918, Charlottenburg (Berlin;Germany)
- Letter from: 13.4.1933, Brüssel
- Letter from: 15.4.1933, Brüssel
- Letter from: 17.4.1933, Brüssel
- Letter from: 21.4.1933, Comologno (Switzerland)
- Letter from: 23.4.1933, Amsterdam
- Letter from: 25.4.1933, Amsterdam
- Letter from: 27.4.1933, Amsterdam
- Letter from: 27.4.1933, Amsterdam
- Letter from: 28.4.1933, Comologno (Switzerland)
- Letter from: 29.4.1933, Amsterdam
- Letter from: 2.5.1933, Brüssel
- Letter from: 22.5.1933, Haarlem (Netherlands)
- Letter from: 28.5.1933, Amsterdam (Netherlands)
- Letter from: 28.5.1933, Marseille
- Letter from: 2.6.1933, Amsterdam (Netherlands)
- Letter from: 6.6.1933, Cavalière
- Letter from: 22.8.1933, Paris
- Letter from: 24.10.1933, Paris
- Letter from: 17.4.1934, Brüssel
- Letter from: 19.4.1934, Brüssel