Brief an College [Rudolf Lipschitz]
Braunschweig, 23.01.1894 [23. Januar 1894]Brief an Doctor [Rudolf Lipschitz]
Zürich, 05.11.1861 [5 November 1861]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 29.04.1876 [29 April 1876]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 30.05.1876 [30 Mai 1876]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 27.06.1876 [27 Juli 1876]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 12.08.1876 [12 August 1876]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 28.09.1876 [28 September 1876]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 19.02.1877 [19 Februar 1877]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 30.07.1877 [30 Juli 1877]Brief an Kollege [Rudolf Lipschitz]
Brunnen (Kanton Schwyz), 17.08.1877 [17 August 1877]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 05.04.1878 [5 April 1878]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 17.01.1894 [17. Januar 1894]Brief an Kollege [Rudolf Lipschitz]
Braunschweig, 10.06.1876 [10 Juni 1876]