Entities
- La Guardia <Flughafen New York>
- Letter from: 20.6.1949, New York
- Letter from: 25.6.1949, Auf dem Flug von New York nach Cleveland
- La Mère Brazier <Lyon>
- Letter from: 8.8.1932, Lyon
- Letter from: 24.1.1933, Lyon (France)
- Lamar Hotel <Houston, Texas>
- Letter from: 13.6.1945, Houston
- Landerziehungsheim <Herrlingen>
- Letter from: 11.7.1925-12.7.1925, Charlottenburg
- Letter from: 24.8.1925, Saint Moritz (Switzerland)
- Letter from: 31.7.1926, Leningrad
- Landesgewerbeamt Württemberg <Stuttgart>
- Letter from: 17.7.1924, Herrlingen (Germany)
- Landschaftspark Norrviken <bei Bastad>
- Letter from: 17.7.1927, Båstad (Sweden)
- Larkin Soap Company <Buffalo>
- Letter from: 17.10.1924, New York
- Laurence Strauss´s <Carmel, Kalifornien>
- Letter from: 27.6.1950, San Francisco (Calif.)
- Lauterbachermühle <Osterseen>
- Letter from: 2.6.1912, Osterseen
- Lenore <San Francisco> [Galerie?]
- Letter from: o.D. [1949?], San Francisco (Calif.)
- Lentner´sche Buchhandlung <München>
- Letter from: 25.9.1917, Ilipan
- Lloyd Triestino
- Letter from: 6.12.1934, Cairo (Egypt)
- Letter from: 23.12.1934, Auf dem Mittelmeer zwischen Alexandria und Neapel
- Letter from: 15.7.1935, im Flugzeug über Korfu
- Letter from: 27.10.1935, Jerusalem
- Letter from: 8.11.1935, auf dem Mittelmeer vor Ägypten
- Letter from: 20.1.1936, Zurich (Switzerland)
- Letter from: 18.8.1936, Salzburg (Austria)
- Letter from: 22.8.1936, Salzburg (Austria)
- Letter from: 25.8.1936, Salzburg (Austria)
- Lloyd Triestino [Boat "Gauge"]
- Letter from: 19.12.1934, Jerusalem
- Lloyd Triestino [Marco Polo]
- Letter from: 31.8.1936, An Bord der Marco Polo der Lloyd Triestino von Triest nach Haifa
- Loge <Königsberg>
- Letter from: 28.9.1912, Königsberg (Germany)
- London County Council
- Letter from: 30.4.1938, London (England)
- Letter from: 30.4.1938, London (England)
- Letter from: 29.6.1939, London
- London Hospital
- Letter from: 3.8.1936, Zurich (Switzerland)
- Letter from: 8.8.1936, Salzburg (Austria)
- London School of Economics and Political Science <London>
- Letter from: 14.9.1935, Jerusalem
- Luxor Hotel <Luxor>
- Letter from: 17.12.1934, Egypt [auf dem Nil]