WIA FC/1919/7/33 | Warburg, Max Adolph to Warburg, Mary 03/11/1919 | he is writing during a lesson, in his classroom; likes the room, it has proper tables, and is... |
WIA FC/1923/7/417 | Warburg, Mary to Warburg, Aby 13/09/1923 | is sorry that Warburg worries about Datzen's [Marietta Warburg's]burns; had she known that he... |
WIA GC 1930/1447 | Hensel, Paul to Saxl, Fritz 16/09/1930 | |
WIA GC/1902/188 | Hensel, Paul to Warburg, Aby 01/03/1902 | thanks him very much for his kindness towards him and for the gift of a copy of his book... |
WIA GC/1902/189 | Hensel, Paul to Warburg, Aby 23/07/1902 | congratulates him on the birth of his second child, on the problems of raising girls and raising... |