WIA FC/1900/11/13 | Warburg, Aby to Warburg, Max 13/11/1900 | thanks him for his long letter; is looking forward to Max Warburg's report on the visit to... |
WIA FC/1900/11/17 | Warburg, Aby to Warburg, Max 14/12/1900 | congratulates Max on Olga's baby, Marion; on his work; he has made a discovery: he can attribute... |
WIA FC/1900/6/25 | Warburg, Mary to Warburg, Aby 24/07/1900 | thanks him for cable; forgot to give Bock Warburg's greetings; Mary is very busy with visiting... |
WIA FC/1902/9/22 | Warburg, Mary to Warburg, Aby 14/04/1902 | thanks him for letter; Franz Brockhaus wants to meet Warburg after his return from Florence to... |
WIA FC/1902/9/58 | Warburg, Mary to Warburg, Aby 10/09/1902 | is pleased that he will meet new colleagues, see a new landscape; Mary has written to Tilli... |