Brief an Prof [Rudolf] Lipschitz
London, 23.08.1870 [23rd August 1870]Brief an Prof [Rudolf] Lipschitz
London, 19.07.1889 [19th Jul 1889]Brief an Professor [Rudolf] Lipschitz
London, 13.01.1886 [13th Jan 1886]Brief an Sir [Rudolf Lipschitz]
London, 01.11.1872 [1st Nov 1872]Brief an Sir [Rudolf Lipschitz]
London, 21.08.1870 [21st August 1870]Brief an Sir [Rudolf Lipschitz]
London, 07.09.1870 [7th Sept 1870]