WIA FC/1921/1/665 | Warburg, Mary to Warburg, Aby 29/12/1921 | sends New Years greetings; is convinced that 1922 will see Warburg back in Hamburg; but counsels... |
WIA FC/1921/8/1 | Warburg, Anita to Warburg, Aby 19/04/1921 | wishes him Happy Easter; thanks him for his Easter present; tells him of a long walk; she also... |
WIA FC/1922/8/365 | Warburg, Mary to Warburg, Aby 08/07/1922 | she has written to Max Adolph and Datzen [Marietta Warburg]; Frede and her former class mates of... |
WIA FC/1929/2/2 | Derenberg, Louise to Warburg, Aby 11/06/1929 | sends birthday greetings; Mary told her that he was still in Florence; hopes to see him soon in... |