WIA GC/1905/218 | Hallier, Eduard to Warburg, Aby 28/08/1905 | he has not yet written to Heinz Marr, but is sure that Marr will want to become a member [of a... |
WIA GC/1905/367 | Marr, Heinz to Warburg, Aby 04/03/1905 | wants to call a meeting for the second half of the month |
WIA GC/1905/368 | Marr, Heinz to Warburg, Aby 15/04/1905 | Marr and Dr. Hertz will meet Warburg the next day in the Volksheim |
WIA GC/1905/369 | Warburg, Aby to Marr, Heinz 02/05/1905 | as he cannot reach him on the phone, he has to send him a letter; does the Volksheim still have... |
WIA GC/1905/370 | Marr, Heinz to Warburg, Aby 24/05/1905 | encloses the sketch of the exhibition [not extant]; on the questionnaire which draws many young... |