WIA FC/1928/3/1 | Derenberg, Louise to Warburg, Aby 06/08/1928 | Mrs. Cassirer informed her that her husband will stay in Hamburg; congratulates Warburg on this... |
WIA FC/1929/1/3 | Braden, Peter Paul to Warburg, Aby 13/01/1929 | supplies information on a drug called 'Lobelin' |
WIA FC/1929/1/9 | Braden, Peter Paul to Warburg, Aby 04/04/1929 | apologizes for late reply; he has eczema on his hands and cannot write; on Max Adolph's training... |
WIA FC/1930-94/72 | Warburg, Mary to Braden, Marietta 30/04/1934 | thanks for card from Naples; has no addresses, does not want to write to Palermo as she thinks... |
WIA FC/1930-94/73 | Warburg, Mary to Braden, Marietta, Braden, Peter Paul and Warburg, Max Adolph 03/05/1934 | she has sent them a cable: uncle Max Warburg wants to know whether [Marietta and Peter Paul... |