WIA GC/1902/330 | Oltmanns, Johannes to Warburg, Aby 10/06/1902 | on an exhibition in the Volksheim; informs him of date and time for the hanging of the new... |
WIA GC/1902/373 | Schomerus, Friedrich to Warburg, Aby 06/08/1902 | on an exhibition of portraits; Warburg is invited to give the opening lecture; Johannes Oltmanns... |
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... |