WIA GC/1910/292 | Hübbe, Andreas to Warburg, Aby 23/10/1910 | list of who donated how much money; G. Thilenius, Kurt Siemers, Otto Blohm [art collector], G... |
WIA GC/1912/960 | Schinckel, Max von to Warburg, Aby [before 01/03/1912] | invitation to attend the lecture by Dr. [Erwin] Ackerknecht, Stettin, on the importance of a... |
WIA GC/1917/692 | Schinckel, Max von to Warburg, Aby [before 20/12/1917] | invitation to attend a meeting of the Stiftung in Hamburg Vorlesungsgebäude; the agenda has been... |
WIA GC/1927/550 | Hertz, Otto to Warburg, Aby 28/07/1927 | Max von Schinckel, D. Stage, Carl Mathies, solicitor Spiegelberg [Ernst Spiegelberg?] are members... |