WIA FC/1914/10/12 | Warburg, Aby to Warburg, Max 07/07/1914 | he had a look at the Amsinck House and disagrees with Max as to its suitability as an art... |
WIA FC/1914/10/13 | Warburg, Max to Warburg, Aby 08/07/1914 | the Cassel Foundation made a note of Peter Petersen's application; at the moment they do not have... |
WIA FC/1916/13/11 | Warburg, Aby to Warburg, Max 14/04/1916 | on the purchasing policy of the 'Wissenschaftliche Stiftung' with regard to private libraries... |
WIA FC/1917/3/22 | Warburg, Mary to Warburg, Aby 16/09/1917 | is sorry not having heard the telephone when he rang the previous day; is pleased that his... |
WIA FC/1919/7/7 | Warburg, Max Adolph to Warburg, Mary 14/05/1919 | thanks for letter and key for his trunk; a circus has come to Holzminden, Lehmann took them all... |