WIA FC/1902/9/164 | Warburg, Aby to Warburg, Mary 23/11/1902 | he has very little time for correspondence; asks her to tell his parents and Malice [Max and... |
WIA FC/1903/13/6 | Warburg, Max to Warburg, Aby 04/04/1903 | refers to Warburg's comment on the 'beauty' of the signatures of the two new 'Prokuristen'; he is... |
WIA GC/1900/88 | Steffen, Gustaf F., Steffen, Oscara and Ehrenberg, Richard to Warburg, Aby and Warburg, Mary 22... | New Year Greetings |
WIA GC/1902/126 | Ehrenberg, Richard to Warburg, Aby 14/11/1902 | thanks him for his gift and hopes that the necessary corrections will go into a second edition... |
WIA GC/1905/631 | Warburg, Aby to Warburg, Max 12/06/1905 | Ernst Maass asked Warburg to inform Max Warburg that the printers Richter [Richtersche... |