WIA GC/10139 | Warburg, Aby to Hertz, Johann Nicolaus [April 1897] | explains the dilemma re mixed marriage; his father thinks he has the right to demand the... |
WIA GC/23377 | Hertz, Adolph Ferdinand to Warburg, Aby 21/11/1897 | thanks him for a letter with the description of their new home; comments on the fact that [Aby... |
WIA GC/25513 | Warburg, Charlotte to Warburg, Aby 16/01/1891 | aunt Mali [Amalie Goldschmidt] has shown her Warburg's letter to Mali [Amalie Goldschmidt... |
WIA GC/26291 | Warburg, Charlotte to Warburg, Aby 08/04/1897 | reports on a meeting with John [Johann Nicolaus Hertz] in Hamburg; it clarified two points: Mary... |
WIA GC/26366 | Warburg, Olga and Warburg, Max to Warburg, Aby 18/04/1897 | Olga writes that Mary Hertz needs to be influenced, which Warburg can do very gently; if he keeps... |