WIA FC/1921/1/364 | Warburg, Mary to Warburg, Aby 28/07/1921 | thanks for letters; he does not need to concern himself with Mutting [Charlotte Warburg], she is... |
WIA FC/1925/10/12 | Warburg, Aby to Warburg, Felix 31/07/1925 | on a query by Felix's secretary, an invoice of Mark 700; it is for two books by Max Slevogt... |
WIA FC/1925/10/14 | Warburg, Aby to Warburg, Felix 07/12/1925 | on the sale of works of art from the so-called secundogeniture collection in Dresden; Fürst... |
WIA FC/1928/17/2 | Warburg, Max Adolph to Warburg, Aby and Warburg, Mary 05/04/1928 | apologizes for late reply; weather is very bad, cannot paint out of doors; the previous day he... |
WIA GC/1917/245 | Goldschmidt, Adolph to Warburg, Aby 20/05/1917 | it cost a great deal of energy but he succeeded in having [Max] Slevogt employed and not Vogel... |