WIA GC/2730 | Marr, Heinz to Warburg, Aby 04/03/1907 | on the meeting of the 'Kunstkommission'; only [Friedrich von] Borstel and Marr attended it; Miss... |
WIA GC/31153 | Warburg, Aby to Oltmanns, Johannes 24/09/1929 | he found Oltmanns's letter and enclosed map very interesting; it might be possible that Warburg... |
WIA GC/702 | Oltmanns, Johannes to Warburg, Aby 25/08/1902 | confirms an appointment to meet Warburg |
WIA GC/715 | Köster, Anna to Warburg, Aby 19/06/1902 | on an exhibition, prepared by architect Johannes Oltmanns; problems with hanging |
WIA GC/790 | Oltmanns, Johannes to Warburg, Aby 10/06/1902 | on an exhibition in the Volksheim ['People's Home']; informs him of date and time for the hanging... |