Brief an Kollege [Gottfried Kinkel]
Zürich, 23.04.1876 [23.IV.1876]Brief an Kollege [Gottfried Kinkel]
Zürich, 17.01.1878 [17.1. [18]78]Brief an Kollege [Gottfried Kinkel]
Zürich, 23.01.1878 [23. Januar 1878]Brief an Kollege [Gottfried Kinkel]
Zürich, 31.08.1878 [31.VIII. [18]78]Brief an Kollege [Gottfried Kinkel]
Zürich, 07.01.1879 [7.I. [18]79]Brief an Kollege [Gottfried Kinkel]
Zürich, 10.01.1879 [10.1. [18]79]Brief an Kollege [Gottfried Kinkel]
Zürich, 17.04.1879 [17.IV. [18]79]Brief an Kollege [Gottfried Kinkel]
Zürich, 28.02.1882 [28. Febr. [18]82]Brief an Kollege [und] Freund [Gottfried Kinkel]
Zürich, 08.06.1872 [8.VI.1872]Brief an Professor [Gottfried Kinkel]
Zürich, 26.10.1869 [26.X. [18]69]Brief an Professor Kinkel
Zürich, 06.02.1878 [6. Febr. [18]78]