8 Titel in Klein, Felix
zu den Filteroptionen8 Titel in Klein, Felix
Brief an Kollege [Otto Toeplitz]
Göttingen, 08.02.1920 [8. Fbr. [19]20]Brief an Kollege [Otto Toeplitz]
Göttingen, 08.02.1920 [8. Febr. [19]20]Brief an Kollege [Otto Toeplitz]
Göttingen, 25.12.1920 [25/XII. [19]20]Brief an Kollege [Otto Toeplitz]
Göttingen, 16.08.1921 [16.8. [19]21]Brief an Kollege [Otto Toeplitz]
Göttingen, 03.09.1923 [3. Sept. 1923]Brief an Kollege [Otto Toeplitz]
Göttingen, 16.05.1924 [16.V.1924]Brief an Kollege [Otto Toeplitz]
Göttingen, 28.05.1924 [28.V. [19]24]Postkarte an Professor Dr. Otto Toeplitz, Kiel, Feldstrasse 142
Göttingen, 31.05.1924 [31.V. [19]24]