WIA GC/1905/202 | Graef, Botho to Warburg, Aby 12/12/1905 | asks him for another set of plates of his Hamburg lecture |
WIA GC/1907/157 | Du Bois-Reymond, Lili to Warburg, Mary 17/10/1907 | news of friends and life in her house; mentions Wilhelm Hertz [Mary's brother], Tycho, who is the... |
WIA GC/1909/622 | Warburg, Aby to Warburg, Max 16/05/1909 | he thinks it justified for Max Warburg to put up resistance to the application [by the... |
WIA GC/1914/321 | Graef, Botho to Warburg, Aby 26/10/1914 | [Ernst] Häckel's request [to remove the Hodler painting] has been turned down; the Vice... |
WIA GC/1917/246 | Goldschmidt, Adolph to Warburg, Aby 01/07/1917 | Goldschmidt has spoken to the painter Lipsius who is looking through the estate of his brother-in... |