Author / Collaborator : Althoff, Friedrich
- Oberhof, 10/09/1885 [10. Sept. [18]85]
- Baden-Baden [Poststempel], [[18]85 [Poststempel]]
- Berlin, 20/12/1901 [20. Dezember 1901]
- o.O., o.D.
- Berlin, 04/01/1889 [4. Januar 1889]
- Berlin, 17/03/1889 [17. März 1889]
- Berlin, 21/01/1890 [21. Januar 1890]
- Berlin, 21/07/1890 [21. Juli 1890]
- B[erlin], 25/07/1890 [25.7.[18]90]
- Berlin, 17/08/1885 [17. Aug. 1885]
- Berlin, 19/02/1890 [19ten Februar 1890]
- Berlin, 15/02/1890 [15. Febr[uar] 1890]
- Berlin, 23/01/1890 [23ten Januar 1890]
- Berlin, 20/09/1889 [20. September 1889]
- Berlin, 06/07/1893 [6. Juli 1893]
- Berlin, Behrenstr. 69, 11/12/1901 [11. Dez. 1901]
- Berlin, 11/11/1886 [11.Nov. 1886]
- Berlin, 31/12/1888 [31. Dezbr. 1888]
- B[erlin], 14/08/1884 [14.8.[18]84]
- B[erlin], 17/07/1884 [17.7.[18]84]
