WIA GC/1911/143 | Bossert, Helmuth Theodor to Warburg, Aby 10/09/1911 | [Rudolf] Kautzsch informed him of Warburg's research into planets; Bossert himself has been... |
WIA GC/1911/262 | Friedländer, Max J. to Warburg, Aby 07/01/1911 | he welcomes Warburg's wish to publish an article on the Hausbuchmeister in the Yearbook; he will... |
WIA GC/1911/271 | Friedländer, Max J. to Warburg, Aby 16/07/1911 | the prints Warburg requested of two Hausbuch drawings in the Kupferstichkabinett are in the... |
WIA GC/1911/759 | Storck, Willy F. to Warburg, Aby 27/01/1911 | invitation to write a contribution to the Festschrift for Professor Henry Thode |
WIA GC/1911/760 | Warburg, Aby to Storck, Willy F. 29/01/1911 | thanks for the invitation to write an article in the Festschrift for Thode but declines |