WIA GC/10031 | Friedländer, Max J. to Warburg, Aby 22/12/1892 | thanks him for a copy of his thesis; congratulates him; Hermann Ulmann explained it to him; he... |
WIA GC/10067 | Ulmann, Hermann to Warburg, Aby 25/04/1893 | Friedrich Bruckmann [Verlagsanstalt F. Bruckmann A.-G.] in Munich wants to use Warburg's... |
WIA GC/25194 | Warburg, Aby to Warburg, Moritz 03/12/1886 | thanks him for letters; is pleased that he was assured by P. Ruben's letters; Warburg visited... |
WIA GC/25241 | Warburg, Aby to Warburg, Charlotte 28/10/1887 | he has delivered the little mat to Mrs. [Anna] Ungar; he is well installed in his apartment again... |
WIA GC/25274 | Warburg, Aby to Warburg, Charlotte 24/02/1888 | thanks her for letter and money advanced; he would like to attend the festivities in Hamburg... |