WIA GC/1909/461 | Warburg, Aby to Predöhl, Max 05/11/1909 | Warburg is interested in the library of the late Gustav Amsinck; asks him as executor whether... |
WIA GC/1909/462 | Predöhl, Max to Warburg, Aby 06/11/1909 | expects Warburg's visit [re late Gustav Amsinck] |
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/1912/1031 | Thieme, Ulrich to Warburg, Aby 05/12/1912 | Oscar Troplowitz from Hamburg signed a subscription for the 'Künstlerlexikon'; there is... |
WIA GC/1913/309 | Öffenliche Bücherhalle Eppendorf to Warburg, Aby 1913 | appeal for funding a public library, to be situated in the communal baths, Eppendorf; the... |