WIA GC/1905/171 | Friedländer, Max J. to Warburg, Aby 30/01/1905 | on the dates of the next meeting of the art historical society; Wilhelm von Beckerath is... |
WIA GC/1905/173 | Friedländer, Max J. to Warburg, Aby 10/02/1905 | thanks him for confirmation to attend the next meeting; Wilhelm von Beckerath's health has improved |
WIA GC/1909/15 | Warburg, Aby to Beckerath, Wilhelm von 22/04/1909 | requests a quote for painting/redecorating the walls of the Volksheim |
WIA GC/1909/16 | Beckerath, Wilhelm von to Warburg, Aby 08/05/1909 | he has asked Heinz Marr to contact the firm of painters/ decorators usually working for the... |
WIA GC/1909/17 | Beckerath, Wilhelm von to Warburg, Aby 02/07/1909 | urges that a decision be made on the painting/redecorating project |