WIA FC/1924/21/11 | Warburg, Paul to Warburg, Aby and Warburg, Mary 21/12/1924 | he is happy that Warburg is back in Hamburg; sends New Year greetings; 1924 was for the Warburg... |
WIA GC/1888/2 | Burmeister, Ernst to Warburg, Aby 29/09/1888 | informs him that August Schmarsow has written to him that he expects Warburg and Burmeister in... |
WIA GC/1888/20 | Ulmann, Hermann to Warburg, Aby 01/10/1888 | on his travel plans; preparations for the trip to Florence; [Max J.] Friedländer does not have to... |
WIA GC/1888/6 | Friedländer, Max J. to Warburg, Aby 15/10/1888 | he is happy to spend the winter in Warburg's company in Florence; forwards his hotel address |
WIA GC/1892/13 | 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... |