WIA FC/1899/13/66 | Warburg, Mary and Warburg, Aby to Warburg, Charlotte 14/11/1899 | Mary thanks her for letter; is very pleased that Charlotte sent the photograph of Marietta to... |
WIA FC/1899/13/76 | Warburg, Aby and Warburg, Mary to Warburg, Charlotte et al 28/12/1899 | Warburg sends New Year greetings; may the new century bring many beautiful things!; the old... |
WIA FC/1900/11/4 | Warburg, Max to Warburg, Aby 31/03/1900 | grumbles because Warburg does not write to him about Mary and Marietta, only about Mönckeberg and... |
WIA FC/1900/11/5 | Warburg, Aby to Warburg, Max 06/04/1900 | thanks for his letter; Mary and Marietta are well, Warburg suffers from exhaustion from time to... |
WIA FC/1900/6/3 | Warburg, Aby to Warburg, Mary 13/05/1900 | thanks her for long letter; he is feeling fine; weather is improving; he hoped that the Carr... |