Places
- Rauschen
- Letter from: 6.4.1911, Königsberg (Germany)
- Letter from: 7.4.1911, Allenstein
- Letter from: 21.3.1914, Rauschen (Germany)
- Letter from: 3.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 7.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 9.8.1918, Charlottenburg (Berlin;Germany)
- Letter from: 23.6.1920, Allenstein (Germany)
- Letter from: 24.6.1920, Allenstein (Germany)
- Letter from: 25.6.1920, Allenstein (Germany)
- Letter from: 26.6.1920, Allenstein (Germany)
- Letter from: 28.6.1920, Rauschen (Germany)
- Letter from: 29.6.1920, Königsberg (Germany)
- Letter from: 30.6.1920, Rauschen (Germany)
- Letter from: 30.6.1920, Charlottenburg
- Letter from: 1.7.1920, Rauschen (Germany)
- Letter from: 2.7.1920, Charlottenburg
- Letter from: 2.7.1920, Charlottenburg
- Letter from: 4.7.1920, Nidden
- Letter from: 5.7.1920, Nidden
- Rehovoth
- Letter from: 6.12.1934, Cairo (Egypt)
- Letter from: 6.1.1935, Jerusalem
- Letter from: 8.4.1935, Jerusalem
- Letter from: 25.4.1935, Jerusalem
- Letter from: 26.1.1936, Zurich (Switzerland)
- Letter from: 29.7.1936, London (England)
- Letter from: 5.8.1936, Jerusalem
- Letter from: 7.8.1936, Jerusalem
- Letter from: 1.6.1937, Jerusalem
- Letter from: 19.4.1938, Jerusalem
- Letter from: 23.4.1938, Jerusalem
- Letter from: 30.4.1938, London (England)
- Letter from: 6.5.1938, Jerusalem
- Rom
- Letter from: 13.10.1911, Florenz
- Letter from: 24.10.1911, München
- Letter from: 26.8.1914, Berlin (Germany)
- Letter from: 25.3.1923, vor Brindisi
- Letter from: 26.8.1923, Herrlingen bei Ulm
- Letter from: 29.10.1924, Chicago
- Letter from: 29.10.1931, Ajaccio
- Letter from: 24.9.1932, Assisi (Italy)
- Letter from: 28.9.1932, Milan (Italy)
- Letter from: 8.2.1933, Berlin
- Letter from: 17.2.1933, Zurich (Switzerland)
- Letter from: 19.2.1933, Antibes (France)
- Letter from: 14.12.1934, Jerusalem
- Letter from: 29.12.1934, Milan (Italy)
- Letter from: 30.3.1935, London
- Letter from: 31.3.1935, Rom
- Letter from: 31.3.1935, Rom
- Letter from: 1.4.1935, Auf dem Flug mit dem Flugboot Sylvanus von Brindisi nach Alexandria
- Letter from: 4.4.1935, Ouchy (Lausanne;Switzerland)
- Letter from: 3.2.1936, An Bord der Calitea vor Brindisi
- Letter from: 5.5.1937, Auf dem Flug von Southampton nach Marseille
- Letter from: 6.5.1937, Auf dem Flug von Rom nach Athen
- Letter from: 8.5.1937, Jerusalem
- Letter from: 1.6.1937, Jerusalem
- Letter from: o.D. [Anfang August 1937], London (England)
- Letter from: 7.8.1937, Jerusalem
- Letter from: 9.8.1937, London (England)
- Letter from: 13.4.1938, Trieste
- Letter from: 17.9.1938, Rom
- Letter from: 18.9.1938, Penrhyndeudraet /North Wales
- Letter from: 22.6.1939, London
- Rottach
- Letter from: 2.7.1912, Leipzig (Germany)
- Letter from: 4.7.1912, München
- Letter from: 16.7.1912, Leipzig (Germany)
- Letter from: 17.7.1912, München
- Letter from: 28.7.1912, Rottach (Germany)
- Letter from: 2.8.1912, Rottach (Germany)
- Letter from: 8.8.1912, Rottach (Germany)
- Letter from: 11.8.1912, Rottach (Germany)
- Letter from: 13.8.1912, München
- Letter from: 25.8.1912, Rottach (Germany)
- Letter from: 20.5.1929, Tegernsee (Germany)
- Letter from: 11.9.1932-12.9.1932, Berlin-Spandau
- Russland
- Letter from: 1.6.1917, Oberammergau (Germany)
- Letter from: 7.6.1917, Oberammergau (Germany)
- Letter from: 18.6.1917, Oberammergau (Germany)
- Letter from: 21.7.1917, Oberammergau (Germany)
- Letter from: 27.7.1917, Ilipan
- Letter from: 4.8.1917, Ilipan
- Letter from: 3.9.1917, Ilipan
- Letter from: 14.9.1917-15.9.1917, Ilipan
- Letter from: 4.10.1917, Rußland - Düna
- Letter from: 25.10.1917-26.10.1917, Dünastellung
- Letter from: 6.11.1917-7.11.1917, Dünastellung
- Letter from: 9.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 10.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 14.11.1917-15.11.1917, Dünastellung
- Letter from: 23.11.1917, Charlottenburg (Berlin;Germany)
- Letter from: 6.12.1917, Charlottenburg (Berlin;Germany)
- Letter from: 29.6.1918, Pont du Hem
- Letter from: 12.7.1918, O.U.
- Letter from: 17.7.1918, Port du Hem
- Letter from: 26.6.1922, Schönwald im Schwarzwald (Germany)
- Letter from: 7.7.1922, Charlottenburg
- Letter from: 27.8.1923, Herrlingen bei Ulm
- Letter from: 7.8.1925, Charlottenburg
- Letter from: 13.8.1925, Saint Moritz (Switzerland)
- Letter from: 25.8.1925, Charlottenburg
- Letter from: 11.7.1926, Engstlenalp (Switzerland)
- Letter from: 4.8.1926, Leningrad
- Letter from: 11.7.1927, Herrlingen
- Letter from: 4.11.1928, Mannheim
- Letter from: 8.1.1929, Menton / Alpes-Maritimes (France)
- Letter from: 7.2.1933, Berlin-Spandau
- Letter from: 3.6.1935, Jerusalem
- Letter from: 30.6.1935, vor Creta
- Letter from: 13.7.1936, Jerusalem
- Letter from: 23.7.1936, Jerusalem
- Letter from: 15.8.1936, Jerusalem
- Letter from: 1.10.1938, Jerusalem
- Letter from: 5.10.1938, Penrhyndeudraet /North Wales
- Letter from: 3.9.1942, New York
- Letter from: 7.4.1948, San Francisco