WIA FC/1923/7/465 | Warburg, Aby to Warburg, Mary 30/10/1923 | cannot understand his son, who does not write, who breaks his promise, etc.; is sorry for people... |
WIA FC/1923/7/471 | Warburg, Mary to Warburg, Aby 02/11/1923 | thanks for two letters, one from Nurse Lydia; Emilie Giorgetti has also written, a lovely letter... |
WIA FC/1923/7/519 | Warburg, Aby to Warburg, Mary 07/12/1923 | he is not feeling well, but is thinking about all his pieces of research, from Botticelli to... |
WIA FC/1923/7/523 | Warburg, Mary to Warburg, Aby 08/12/1923 | the previous day they had an early dinner, Family day, because Fritz Warburg and Julius... |
WIA GC/1918/264 | Götze, Alfred to Warburg, Aby 10/07/1918 | returns an illustration; he is unable to assist Warburg, as he is in the army |