WIA FC/1895/14/20 | Warburg, Aby to Warburg family (parents and siblings), 14/12/1895 | detailed description of his time in America so far; the reason for his trip to the South West is... |
WIA FC/1897/27/103 | Warburg, Mary to Warburg, Charlotte 06/12/1897 | apologizes for late reply; the letter which seemed to have got lost has not turned up so far... |
WIA FC/1907/5/9 | Warburg, Aby to Warburg, Mary 01/04/1907 | thanks for letters from Mary and Detta [Marietta Warburg]; hopes that Detta [Marietta Warburg] is... |
WIA GC/1895/AMERICA/6 | Boas, Franz to [Mooney, James?] 18/10/1895 | Boas will be very pleased to meet Warburg; could Warburg call at his house? |
WIA GC/1895/AMERICA/81 | Mooney, James to Warburg, Aby 31/10/1895 | encloses letters to his friends introducing Warburg |