WIA GC/1909/117 | Eckardt, Felix von to Warburg, Aby 20/12/1909 | informs him that [G.?] Keyssner wants Warburg to read and review an essay |
WIA GC/1911/127 | Warburg, Aby to Boll, Franz 27/09/1911 | thanks him for his card; informs him that he has hired a young linguist, starting on 01/10/1911... |
WIA GC/1911/439 | Warburg, Aby to Keyssner, G. 13/05/1911 | puts in writing pay and conditions for a part time post for Keyssner in Hamburg; hopes that he... |
WIA GC/1911/440 | Keyssner, G. to Warburg, Aby 17/05/1911 | he is waiting to hear from the Süddeutsche Monatshefte; they have offered him a librarian post in... |
WIA GC/1911/441 | Keyssner, G. to Warburg, Aby 18/08/1911 | he was offered the post with the Süddeutsche Monatshefte and regretfully has to decline Warburg's... |