Brief an Freund [Rudolf Lipschitz]
Berlin, 03.10.1869 [3. Okt. 1869]Brief an Freund [Rudolf Lipschitz]
Berlin, 23.12.1869 [23. Decbr. 1869]Brief an Freund [Rudolf Lipschitz]
Berlin, 02.02.1870 [2/2 1870]Brief an Freund [Rudolf Lipschitz]
Berlin, 10.02.1870 [10. Febr. 1870]Brief an Freund [Rudolf Lipschitz]
Berlin, 02.01.1872 [2. Januar 1872]Brief an Freund [Rudolf Lipschitz]
Berlin, 25.03.1872 [25/3 1872]Brief an Freund [Rudolf Lipschitz]
Berlin, 20.04.1872 [20. April 1872]Brief an Freund [Rudolf Lipschitz]
Berlin, 17.12.1875 [17 Dec. 1875]Brief an Freund [Rudolf Lipschitz]
Berlin, 20.12.1875 [20 Dec. 1875]Brief an Freund [Rudolf Lipschitz]
Berlin, 21.12.1875 [21/12 [18]75]Brief an Freund [Rudolf Lipschitz]
Berlin, 25.12.1875 [25 Dec. 1875]Brief an Freund [Rudolf Lipschitz]
Berlin, 29.12.1875 [29 Dec. 1875]Brief an Freund [Rudolf Lipschitz]
Berlin, 04.01.1876 [4. Januar 1876]Brief an Freund [Rudolf Lipschitz]
Berlin, 11.02.1876 [11 Febr. 1876]Brief an Freund [Rudolf Lipschitz]
Berlin, 16.02.1876 [16 Febr. 1876]Brief an Freund [Rudolf Lipschitz]
Berlin, 13.04.1876 [13/4 [18]76]Brief an Freund [Rudolf Lipschitz]
Berlin, 17.11.1876 [17/11 [18]76]