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]
[o.O.], 1870-1879 [o.D. [wohl 1870er Jahre]]Brief an Kollege [Gottfried Kinkel]
[o.O.], 1870-1879 [o.D. [1870er Jahre]]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 Kollege und Freund [Gottfried Kinkel]
[o.O.], 1877 [o.D. [nach 1877]]Brief an Professor [Gottfried Kinkel]
Uster, 11.11.1869 [11.XI. [18]69]Brief an Professor [Gottfried Kinkel]
Uster, 07.09.1868 [7.IX. [18]68]Brief an Professor [Gottfried Kinkel]
Uster, 03.10.1869 [3. October 1869]Brief an Professor [Gottfried Kinkel]
Uster, 01.02.1869 [1.II. [18]69]Brief an Professor [Gottfried Kinkel]
Uster, 28.05.1869 [28.V. [18]69]Brief an Professor [Gottfried Kinkel]
Uster, 23.09.1869 [23.IX. [18]69]Brief an Professor [Gottfried Kinkel]
Uster, 01.10.1869 [1.X. [18]69]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]