WIA FC/1921/1/539 | Warburg, Mary to Warburg, Aby 27/10/1921 | thanks for letters, comments, that they were hardly legible; fears that he will have to wait for... |
WIA FC/1921/17/18 | Warburg, Marietta to Warburg, Aby 26/10/1921 | they are very busy with Lola's [Warburg] wedding; some of the wedding guests had lunch with them... |
WIA FC/1929/7/29 | Warburg, Aby to Warburg, Mary 19/02/1929 | acknowledges receipt of Frede's seminar paper; sees in it Frede's serious work; Bing had flu... |
WIA GC/1921/129 | du Bois-Reymond, Lili to Warburg, Mary 19/10/1921 | on an invitation to the wedding, planned for 29/10/1921, which was cancelled due to the death of... |