WIA GC/1897/53 | Mooney, James to Warburg, Aby 21/08/1897 | congratulates him on his engagement; Warburg should give Mooney's congratulations also to the... |
WIA GC/1898/58 | Steffen, Gustaf F. to Warburg, Aby 02/06/1898 | he is embarrassed not to have returned the photographic negatives; encloses 3 of 5; the other 2... |