WIA GC/10721 | Warburg, Aby to Hallier, Eduard 26/10/1907 | requests a copy of their catalogue 'Museographie'; encourages them to send a review copy to the... |
WIA GC/10725 | Warburg, Aby to Hallier, Eduard 01/11/1907 | he advanced money to Dr. Baerwald; he requests reimbursement only if there is enough money left... |
WIA GC/10991 | Warburg, Aby to Schultz, Clemens 28/02/1909 | invites Schultz to give a lecture to the group of twelve married couples which makes up a private... |
WIA GC/11301 | Warburg, Aby to Hallier, Eduard 23/11/1910 | Hallier's letter came too late for Warburg to do anything for a friend of Hallier's |
WIA GC/11321 | Warburg, Aby to Rauch, Wilhelm 26/02/1911 | Rauch's delivery man delivered a letter to Warburg the previous evening; Warburg asks Rauch to... |