WIA FC/1902/11/23 | Warburg, Charlotte to Warburg, Aby 11/11/1902 | forwards a letter by Paul [Warburg]; keeps a letter by Frieda [Warburg] as she knows that he is... |
WIA FC/1924/15/14 | Warburg, Mary to Warburg, Marietta 13/06/1924 | she will encloses Mark 50 in her letter; she had a long letter from Max Adolph; hopes that Max... |
WIA GC/1911/260 | Freudenthal, Berthold to Warburg, Aby 23/09/1911 | thanks him for the wonderful time in Warburg's house; 'you are a happy man'; happiness in one's... |
WIA GC/1921/159 | Freudenthal, Berthold to Warburg, Aby 19/10/1921 | offers his condolences on the death of Warburg's mother |