WIA GC/10991 | Warburg, Aby to Schultz, Clemens 28/02/1909 | invites Schultz to give a lecture to the group of twelve married couples which makes up a private... |
WIA GC/2470 | Zippel, O. to Warburg, Aby 27/11/1906 | thanks him for the essay of the Flemish tapestries |
WIA GC/28066 | Zippel, O. to Warburg, Aby 14/05/1910 | thanks him for a copy of Warburg's article ['Die Wandbilder']; apologizes for late reply, he had... |
WIA GC/32151 | Warburg, Mary to Warburg, Aby 25/09/1909 | thanks him for a long letter, the report of his lecture and the echo it had; Jim [James Loeb... |
WIA GC/32153 | Warburg, Aby to Warburg, Mary 26/09/1909 | asks her to order double windows, winter windows, from [Fritz] Schumacher; she could also ask... |