Places
- Lausanne
- Letter from: 11.9.1932, Vevey (Switzerland)
- Letter from: 25.4.1933, Comologno (Switzerland)
- Letter from: 20.12.1934, Assuan (Egypt)
- Letter from: 23.12.1934, Auf dem Mittelmeer zwischen Alexandria und Neapel
- Letter from: 25.12.1934, Naples (Italy)
- Letter from: 26.12.1934, Naples (Italy)
- Letter from: 29.12.1934, Milan (Italy)
- Letter from: 1.1.1935, London (England)
- Letter from: 8.1.1935, London (England)
- Letter from: 30.3.1935, London
- Letter from: 1.4.1935, Auf dem Flug mit dem Flugboot Sylvanus von Brindisi nach Alexandria
- Letter from: 2.4.1935, Kairo
- Letter from: 3.4.1935, Kairo
- Letter from: 4.4.1935, Jerusalem
- Letter from: 4.4.1935, Ouchy (Lausanne;Switzerland)
- Letter from: 7.4.1935, Lausanne (Switzerland)
- Letter from: 9.4.1935, Lausanne (Switzerland)
- Letter from: 14.4.1935, Lausanne (Switzerland)
- Letter from: 25.4.1935, Jerusalem
- Leipzig
- Letter from: 3.2.1911, London (England)
- Letter from: 21.09.1911, München
- Letter from: 29.9.1911, Milano
- Letter from: 29.9.1911, Leipzig (Germany)
- Letter from: 1.10.1911, Leipzig (Germany)
- Letter from: 10.10.1911, Leipzig (Germany)
- Letter from: 27.10.1911, Leipzig (Germany)
- Letter from: 29.10.1911, Leipzig (Germany)
- Letter from: 4.11.1911, Leipzig (Germany)
- Letter from: 14.11.1911, Leipzig (Germany)
- Letter from: 18.11.1911, Leipzig (Germany)
- Letter from: 23.11.1911, Leipzig (Germany)
- Letter from: 8.12.1911, Leipzig (Germany)
- Letter from: 19.12.1911, Leipzig (Germany)
- Letter from: 9.1.1912, Leipzig (Germany)
- Letter from: 13.2.1912, Leipzig (Germany)
- Letter from: 4.3.1912, München
- Letter from: 7.3.1912, Leipzig (Germany)
- Letter from: 16.3.1912, München
- Letter from: 18.3.1912, Leipzig (Germany)
- Letter from: 10.4.1912, München
- Letter from: 27.4.1912, Bad Liebenstein (Germany)
- Letter from: 9.5.1912, Bad Liebenstein (Germany)
- Letter from: 19.5.1912, Leipzig (Germany)
- Letter from: 10.6.1912, Leipzig (Germany)
- Letter from: 28.6.1912, Leipzig (Germany)
- Letter from: 30.6.1912, Leipzig (Germany)
- Letter from: 2.7.1912, Leipzig (Germany)
- Letter from: 5.7.1912, Leipzig (Germany)
- Letter from: 16.7.1912, Leipzig (Germany)
- Letter from: 19.7.1912, Leipzig (Germany)
- Letter from: 8.10.1912, Allenstein
- Letter from: 13.10.1912, Berlin (Germany)
- Letter from: 3.11.1912, Leipzig (Germany)
- Letter from: 8.11.1912, Leipzig (Germany)
- Letter from: 11.11.1912, Leipzig (Germany)
- Letter from: 1.12.1912, Leipzig (Germany)
- Letter from: 8.12.1912, Leipzig (Germany)
- Letter from: 11.1.1913, Berlin (Germany)
- Letter from: 12.1.1913, Leipzig (Germany)
- Letter from: 24.1.1913, München
- Letter from: 26.1.1913, Leipzig (Germany)
- Letter from: 16.2.1913, Leipzig (Germany)
- Letter from: 19.2.1913, Leipzig (Germany)
- Letter from: 23.2.1913, Leipzig (Germany)
- Letter from: 11.3.1913, Leipzig (Germany)
- Letter from: 20.3.1913, Leipzig (Germany)
- Letter from: 1.4.1913, Königsberg (Germany)
- Letter from: 4.4.1913, Leipzig (Germany)
- Letter from: 6.4.1913, Leipzig (Germany)
- Letter from: 12.4.1913, Allenstein
- Letter from: 12.5.1913, Königsberg (Germany)
- Letter from: 2.6.1913, Berlin (Germany)
- Letter from: 9.6.1913, Berlin (Germany)
- Letter from: 28.6.1913, Berlin (Germany)
- Letter from: 30.6.1913, Leipzig (Germany)
- Letter from: 11.8.1913, Oberbozen (Italy : Province Trentino)
- Letter from: 23.8.1913, Leipzig
- Letter from: 12.9.1913, Oberbozen (Italy : Province Trentino)
- Letter from: 2.3.1915, Charlottenburg
- Letter from: 6.3.1915-7.3.1915, Leipzig
- Letter from: 7.3.1915, Charlottenburg
- Letter from: 15.7.1915, Dresden (Germany)
- Letter from: 21.7.1927, Båstad (Sweden)
- Letter from: 2.3.1930, Charlottenburg
- Letter from: 4.3.1930, Krefeld (Germany)
- Letter from: 24.9.1932, Siena (Italy)
- Letter from: 21.4.1933, Comologno (Switzerland)
- Libau
- Letter from: 27.10.1917, Dünastellung
- Letter from: 6.11.1917-7.11.1917, Dünastellung
- Letter from: 13.11.1917, Dünastellung
- Letter from: 9.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 12.3.1918, Libau
- 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: 20.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 21.3.1918, Libau
- Letter from: 22.3.1918, Libau
- Letter from: 24.3.1918, Charlottenburg (Berlin;Germany)
- Letter from: 24.3.1918, Libau
- Letter from: 25.3.1918, 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: 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: 8.4.1918, Charlottenburg (Berlin;Germany)
- 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: 15.4.1918, Charlottenburg (Berlin;Germany)
- Letter from: 16.4.1918, Libau
- Letter from: 16.4.1918, Charlottenburg (Berlin;Germany)
- 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: 22.4.1918, Libau
- Letter from: 23.4.1918, Libau
- Letter from: 24.4.1918, Libau
- Letter from: 24.4.1918, Charlottenburg (Berlin;Germany)
- 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: 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: 20.5.1918, Libau
- Letter from: 21.5.1918, Libau
- Letter from: 22.5.1918, Libau
- Letter from: 24.5.1918, Libau
- Letter from: 26.5.1918, 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: 16.6.1918, Charlottenburg (Berlin;Germany)
- Lille
- Letter from: 30.8.1917, Ilipan
- Letter from: 9.5.1918, Libau
- Letter from: 17.6.1918, vor Brüssel
- Letter from: 19.6.1918, Pont du Hem
- Letter from: 6.7.1918, Seclin
- Letter from: 11.7.1918, Pont du Hem
- Letter from: 31.7.1918, P.L.
- Letter from: 7.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 7.8.1918, A.
- Letter from: 9.8.1918, Lille
- Letter from: 23.9.1918, Köln
- Letter from: 26.9.1918, Charlottenburg (Berlin;Germany)
- Locarno
- Letter from: 31.10.1931, Ajaccio
- Letter from: 12.11.1931, Ascona (Switzerland)
- Letter from: 18.8.1932, Comologno - Tessin
- Letter from: 18.8.1932, Comologno - Tessin
- Letter from: 3.9.1932, Vevey (Switzerland)
- Letter from: 13.4.1933, Zurich (Switzerland)
- Letter from: 13.4.1933, Brüssel
- Letter from: 17.4.1933, Comologno (Switzerland)
- Letter from: 28.4.1933, Comologno (Switzerland)
- Letter from: 29.4.1933, Amsterdam
- Letter from: 1.5.1933, Comologno (Switzerland)
- London
- Letter from: 21.10.1910, London (England)
- Letter from: o.D. [nach 12.11.1910], London (England)
- Letter from: 14.12.1910, München
- Letter from: 20.12.1910, London (England)
- Letter from: 23.12.1910, Liverpool (England)
- Letter from: 24.1.1911, London (England)
- Letter from: 29.1.1911, München
- Letter from: 3.2.1911, London (England)
- Letter from: 8.12.1912, Leipzig (Germany)
- Letter from: 7.1.1913, London (England)
- Letter from: 8.1.1913, London (England)
- Letter from: 12.1.1913, Leipzig (Germany)
- Letter from: 11.11.1913, München
- Letter from: 6.11.1917-7.11.1917, Dünastellung
- Letter from: 6.11.1917-7.11.1917, Dünastellung
- Letter from: 11.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 19.8.1923, Herrlingen bei Ulm
- Letter from: 27.8.1925, Charlottenburg
- Letter from: 22.7.1928, Charlottenburg
- Letter from: 2.1.1931, Paris
- Letter from: 20.1.1931, Berlin (Germany)
- Letter from: 19.4.1933, Brüssel
- Letter from: 21.4.1933, Comologno (Switzerland)
- Letter from: 23.4.1933, Amsterdam
- Letter from: 25.4.1933, Amsterdam
- Letter from: 1.5.1933, Comologno (Switzerland)
- Letter from: 22.5.1933, Haarlem (Netherlands)
- Letter from: 6.6.1933, Cavalière
- Letter from: 7.6.1933, Amsterdam (Netherlands)
- Letter from: 24.6.1933, London (England)
- Letter from: 26.6.1933, Cavalière
- Letter from: 5.8.1933-31.8.1933, Matfield, Kent (England) und London
- Letter from: 5.8.1933, Matfield, Kent (England)
- Letter from: 22.8.1933, Paris
- Letter from: 22.8.1933, London (England)
- Letter from: 28.8.1933, Im Flugzeug zwischen Paris und London
- Letter from: 29.8.1933, London (England)
- Letter from: 31.8.1933, London (England)
- Letter from: 1.9.1933, Paris
- Letter from: 4.10.1933, London (England)
- Letter from: 22.10.1933, Paris
- Letter from: 24.10.1933, Paris
- Letter from: 25.10.1933, London (England)
- Letter from: 17.4.1934, Brüssel
- Letter from: 19.4.1934, Brüssel
- Letter from: 6.12.1934, Cairo (Egypt)
- Letter from: 8.12.1934, Cairo (Egypt)
- Letter from: 10.12.1934, Jerusalem
- Letter from: 11.12.1934, Cairo (Egypt)
- Letter from: 17.12.1934, Egypt [auf dem Nil]
- Letter from: 18.12.1934, Jerusalem
- Letter from: 19.12.1934, Jerusalem
- Letter from: 22.12.1934, Jerusalem
- Letter from: 23.12.1934, Jerusalem
- Letter from: 23.12.1934, Auf dem Mittelmeer zwischen Alexandria und Neapel
- Letter from: 25.12.1934, Naples (Italy)
- Letter from: 27.12.1934, Jerusalem
- Letter from: 29.12.1934, Milan (Italy)
- Letter from: 30.12.1934, Jerusalem
- Letter from: 1.1.1935, London (England)
- Letter from: 3.1.1935, Jerusalem
- Letter from: 4.1.1935, London (England)
- Letter from: 8.1.1935, London (England)
- Letter from: 10.1.1935, Jerusalem
- Letter from: 10.1.1935, London (England)
- Letter from: 27.3.1935, London
- Letter from: 30.3.1935, London
- Letter from: 9.4.1935, Lausanne (Switzerland)
- Letter from: 25.4.1935, Jerusalem
- Letter from: 5.5.1935, Jerusalem
- Letter from: 15.5.1935, Jerusalem
- Letter from: 29.5.1935, Jerusalem
- Letter from: 17.6.1935, Jerusalem
- Letter from: 22.6.1935, Jerusalem
- Letter from: 26.6.1935, Jerusalem
- Letter from: 1.7.1935, zwischen Brindisi und Venedig
- Letter from: 3.7.1935, London
- Letter from: 15.7.1935, im Flugzeug über Korfu
- Letter from: 21.7.1935, Jerusalem
- Letter from: 15.8.1935, Jerusalem
- Letter from: 1.9.1935, Jerusalem
- Letter from: 14.9.1935, Jerusalem
- Letter from: 14.9.1935, Paris
- Letter from: 14.9.1935, Paris
- Letter from: 15.9.1935, Jerusalem
- Letter from: 26.9.1935, Jerusalem
- Letter from: 27.10.1935, Jerusalem
- Letter from: 27.10.1935, Jerusalem
- Letter from: 6.11.1935, Jerusalem
- Letter from: 8.11.1935, auf dem Mittelmeer vor Ägypten
- Letter from: 11.1.1936, Marseille
- Letter from: 12.1.1936, Zurich (Switzerland)
- Letter from: 18.1.1936, Jerusalem
- Letter from: 20.1.1936, Zurich (Switzerland)
- Letter from: 26.1.1936, Zurich (Switzerland)
- Letter from: 3.2.1936, An Bord der Calitea vor Brindisi
- Letter from: 3.7.1936, London (England)
- Letter from: 8.7.1936, London (England)
- Letter from: 15.7.1936, London (England)
- Letter from: 15.7.1936, Jerusalem
- Letter from: 16.7.1936, London (England)
- Letter from: 18.7.1936, London (England)
- Letter from: 23.7.1936, London (England)
- Letter from: 25.7.1936, London (England)
- Letter from: 27.7.1936, Jerusalem
- Letter from: 29.7.1936, London (England)
- Letter from: 30.7.1936, Jerusalem
- Letter from: 31.7.1936, London (England)
- Letter from: 3.8.1936, Zurich (Switzerland)
- Letter from: 7.8.1936, Jerusalem
- Letter from: 8.8.1936, Salzburg (Austria)
- Letter from: 10.8.1936, Jerusalem
- Letter from: 13.8.1936, Jerusalem
- Letter from: 16.8.1936, Mondsee (Austria : Lake)
- Letter from: 17.8.1936, Jerusalem
- Letter from: 16.1.1937, Jerusalem
- Letter from: 7.5.1937, Jerusalem
- Letter from: 18.5.1937, Jerusalem
- Letter from: 28.5.1937, Jerusalem
- Letter from: 1.6.1937, Jerusalem
- Letter from: 3.8.1937, London
- Letter from: 5.8.1937, London (England)
- Letter from: 9.8.1937, London (England)
- Letter from: 10.8.1937, Jerusalem
- Letter from: 11.8.1937, London (England)
- Letter from: 13.8.1937, Jerusalem
- Letter from: 13.8.1937, London (England)
- Letter from: 16.8.1937, London (England)
- Letter from: 17.8.1937, London (England)
- Letter from: 20.8.1937, London (England)
- Letter from: 21.8.1937, London (England)
- Letter from: 23.8.1937, London (England)
- Letter from: 24.8.1937, London (England)
- Letter from: 25.8.1937, London (England)
- Letter from: 27.8.1937, London (England)
- Letter from: 30.8.1937, Jerusalem
- Letter from: 2.9.1937, Saint Moritz (Switzerland)
- Letter from: 2.9.1937, Jerusalem
- Letter from: 10.9.1937, Jerusalem
- Letter from: 10.9.1937, St. Moritz (Switzerland)
- Letter from: 21.3.1938, London (England)
- Letter from: 12.4.1938-13.4.1938, London (England)
- Letter from: Ostersamstag 1938 [=16.4.1938], London (England)
- Letter from: 19.4.1938, Jerusalem
- Letter from: 23.4.1938, Jerusalem
- Letter from: 23.4.1938, London (England)
- Letter from: 27.4.1938, London (England)
- Letter from: 2.5.1938, London (England)
- Letter from: 6.5.1938, London (England)
- Letter from: 17.9.1938, Rom
- Letter from: 20.9.1938, Haifa
- Letter from: 20.9.1938, Haifa
- Letter from: 22.9.1938, Penrhyndeudraet /North Wales
- Letter from: 23.9.1938, Haifa
- Letter from: 23.9.1938, Penrhyndeudraet /North Wales
- Letter from: 26.9.1938, Penrhyndeudraet /North Wales
- Letter from: 27.9.1938, Jerusalem
- Letter from: 29.9.1938, Penrhyndeudraet /North Wales
- Letter from: 3.10.1938, Penrhyndeudraet /North Wales
- Letter from: 6.10.1938, Penrhyndeudraet /North Wales
- Letter from: 7.10.1938, Jerusalem
- Letter from: 8.10.1938, Jerusalem
- Letter from: 9.10.1938, Penrhyndeudraet /North Wales
- Letter from: 9.10.1938, Jerusalem
- Letter from: 22.6.1939, London
- Letter from: 6.8.1941, Los Angeles (Calif.)
- Letter from: 16.8.1941, San Francisco (Calif.)
- Letter from: 28.4.1942, Croton-on-Hudson (N.Y.)
- Letter from: 13.10.1945, Highgate, London
- Letter from: 21.10.1945, Saint Louis
- Letter from: 22.10.1945, Croton-on-Hudson (N.Y.)
- Letter from: 5.11.1945, Croton-on-Hudson (N.Y.)
- Letter from: 8.11.1945, Croton-on-Hudson (N.Y.)
- Letter from: 11.11.1945, San Francisco
- Letter from: 19.11.1945, Croton-on-Hudson (N.Y.)
- Letter from: 28.4.1947, New York
- Letter from: 11.7.1950, San Francisco
- Letter from: 17.12.1952, New York (N.Y.)
- London <Berkeley Square>
- Letter from: 5.8.1936, Jerusalem
- Letter from: 13.8.1936, Jerusalem
- Letter from: 5.5.1937, Auf dem Flug von Southampton nach Marseille
- Letter from: 5.5.1937, Southampton
- Letter from: 6.5.1937, Auf dem Flug von Rom nach Athen
- Letter from: 8.5.1937, Jerusalem
- Letter from: 16.5.1937, Jerusalem
- Letter from: 19.5.1937, Jerusalem
- Letter from: 21.5.1937, Cairo
- Letter from: 25.5.1937, Jerusalem
- Letter from: 28.5.1937, Jerusalem
- Letter from: 1.6.1937, Jerusalem
- Letter from: 5.6.1937, Jerusalem
- London <Highgate>
- Letter from: 8.1.1935, London (England)
- Letter from: 14.9.1935, Jerusalem
- Letter from: 1.7.1936, Trieste
- Letter from: 2.7.1936, Auf dem Schiff Galilea der Lloyd Triestino
- Letter from: 6.7.1936, Jerusalem
- Letter from: 6.7.1936, Jerusalem
- Letter from: 9.7.1936, Jerusalem
- Letter from: 13.7.1936, Jerusalem
- Letter from: 15.7.1936, Jerusalem
- Letter from: 25.7.1936, London (England)
- Letter from: 31.7.1936, Jerusalem
- Letter from: 22.9.1937, Highgate, London
- Letter from: 13.4.1938, Trieste
- London <W1, 32 Davies Street>
- Letter from: 2.8.1937, Paris
- Letter from: 7.8.1937, Jerusalem
- Letter from: 10.8.1937, Jerusalem
- Letter from: 11.8.1937, Jerusalem
- Letter from: 14.8.1937, Jerusalem
- Letter from: 17.8.1937, Jerusalem
- Letter from: 19.8.1937, Jerusalem
- Letter from: 21.8.1937, Jerusalem
- Letter from: 24.8.1937, Jerusalem
- Letter from: 24.8.1937, Jerusalem
- Letter from: 30.8.1937, London (England)
- Letter from: 11.4.1938, Jerusalem
- Letter from: 13.4.1938, Trieste
- Letter from: 14.4.1938, Trieste
- Letter from: 18.4.1938, Jerusalem
- Letter from: 19.4.1938, Jerusalem
- Letter from: 25.4.1938, Jerusalem
- Letter from: 28.4.1938, Jerusalem
- Letter from: 2.5.1938, Jerusalem
- Letter from: 6.5.1938, Jerusalem
- Letter from: 8.5.1938, Jerusalem
- Letter from: 12.5.1938, Jerusalem
- Letter from: 2.6.1938, Hatherop Castle Fairford/Gloucestershire
- Letter from: 22.6.1938, Hatherop Castle Fairford/Gloucestershire
- Letter from: 23.6.1938, Hatherop Castle Fairford/Gloucestershire
- Letter from: 26.6.1938, Hatherop Castle Fairford/Gloucestershire
- Letter from: 27.6.1938, London (England)
- Letter from: 15.7.1938, Hatherop Castle Fairford/Gloucestershire
- Letter from: 9.10.1938, Jerusalem
- Los Angeles
- Letter from: 6.8.1941, Los Angeles (Calif.)
- Letter from: 20.8.1941, San Francisco (Calif.)
- Letter from: 5.11.1945, San Francisco
- Letter from: 2.3.1946, Saint Louis
- Letter from: 8.3.1946, San Francisco (Calif.)
- Letter from: 9.3.1946, New York
- Letter from: 3.5.1947, Saint Louis
- Letter from: 11.11.1947, San Francisco (Calif.)
- Letter from: 00.4.1948 [nach 7.4.1948], San Francisco (Calif.)
- Letter from: 7.4.1948, Palm Springs (Calif.)
- Letter from: 7.4.1948, San Francisco
- Letter from: 21.6.1950, New York
- Letter from: 24.6.1950, San Francisco (Calif.)
- Letter from: 26.6.1950, Saint Louis
- Letter from: 18.8.1950, San Francisco
- Letter from: 00.06.1952 [vor dem 3.6.], Honolulu (Hawaii)
- Letter from: 3.6.1952, Maui (Hawaii)
- Letter from: 15.12.1952, San Francisco
- Letter from: 17.12.1952, New York (N.Y.)
- Letter from: 18.12.1952, San Francisco
- Letter from: 19.7.1953, San Francisco (Calif.)
- Luckenwalde
- Letter from: 18.6.1919, Charlottenburg
- Letter from: 7.5.1920, Charlottenburg
- Letter from: 14.5.1920, Charlottenburg
- Letter from: 31.5.1920, Charlottenburg
- Letter from: 2.6.1920, Charlottenburg
- Letter from: 3.6.1920, Charlottenburg
- Letter from: 3.6.1920, Gilgenburg (Prussia)
- Letter from: 5.6.1920, Charlottenburg
- Letter from: 8.6.1920, Gilgenburg (Prussia)
- Letter from: 12.6.1920, Charlottenburg
- Letter from: 16.6.1920, Allenstein (Germany)
- Letter from: 21.6.1920, Charlottenburg
- Letter from: 22.6.1920, Charlottenburg
- Letter from: 24.6.1920, Charlottenburg
- Letter from: 24.6.1920, Charlottenburg
- Letter from: 26.6.1920, Charlottenburg
- Letter from: 29.6.1920, Charlottenburg
- Letter from: 2.7.1920, Charlottenburg
- Letter from: 5.7.1920, Charlottenburg
- Letter from: 22.6.1922, Charlottenburg
- Letter from: 23.6.1922, Charlottenburg
- Letter from: 26.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 28.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 4.7.1922, Charlottenburg
- Letter from: 7.7.1922, Charlottenburg
- Letter from: 8.7.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 9.7.1922, Berlin
- Letter from: 12.7.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 26.7.1922, Charlottenburg
- Letter from: 1.8.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 1.8.1922, Charlottenburg
- Letter from: 14.8.1922, Charlottenburg
- Letter from: 18.1.1923, Charlottenburg
- Letter from: 19.10.1924, Buffalo
- Letter from: 24.10.1924, Detroit
- Letter from: 7.8.1925, Charlottenburg
- Letter from: 9.8.1925, Charlottenburg
- Letter from: 11.8.1925, Saint Moritz (Switzerland)
- Letter from: 19.8.1925, Charlottenburg
- Letter from: 31.7.1926, Leningrad
- Letter from: 6.7.1927, Herrlingen
- Luxor
- Letter from: 18.3.1923, Kairo
- Letter from: 21.3.1923, Luxor
- Letter from: 6.12.1934, Cairo (Egypt)
- Letter from: 14.12.1934, Jerusalem
- Letter from: 15.12.1934, Egypt [auf dem Nil]
- Letter from: 15.12.1934, Jerusalem
- Letter from: 16.12.1934, Jerusalem
- Letter from: 17.12.1934, Egypt [auf dem Nil]
- Letter from: 19.12.1934, Jerusalem
- Letter from: 23.12.1934, Jerusalem
- Letter from: 16.1.1937, Jerusalem