WIA GC/11018 | Warburg, Aby to Beckerath, Wilhelm von 15/07/1909 | the commission adopted the project of one of his students to paint a mural in the Volksheim... |
WIA GC/11100 | Warburg, Aby to M. M. Warburg, & Co. [1909] | advises the bank to transfer money to the account of Wilhelm von Beckerath |
WIA GC/11560 | Warburg, Aby to Beckerath, Wilhelm von 21/03/1912 | Warburg is happy that the project with [Fritz] Schumacher is taking shape; he is also happy for... |
WIA GC/11588 | Warburg, Aby to Beckerath, Wilhelm von 18/04/1912 | on the mural project; does he agree to M 10,000 per year for 3 to 4 years?; on Max Warburg's... |
WIA GC/11666 | Warburg, Aby to Lattmann, August 16/11/1912 | a group of friends of the painter [Wilhelm von] Beckerath want to give him the opportunity to... |