WIA FC/1885/8/8 | Warburg, Charlotte to Warburg, Aby 01/09/1885 | thanks him for a letter; is pleased to read that Dr. Bock has received Warburg's portrait... |
WIA FC/1891/9/20 | Warburg, Charlotte to Warburg, Aby 22/05/1891 | tells him to write more legibly; the rumour that Günzburgs have to leave Petersburg is not true... |
WIA GC/1883/1 | Ollendorff, Ernst to Warburg, Aby 04/07/1883 | congratulates him on his 18th birthday [Ollendorff, Ernst must have made a mistake]; on the hard... |
WIA GC/1883/2 | Ollendorff, Oscar to Warburg, Aby 16/08/1883 | describes the setting of his holidays in the Harz mountains; reports on developments, hair... |
WIA GC/1883/3 | Ollendorff, Oscar to Warburg, Aby 12/09/1883 | he will need to stay another two weeks to recover; he is missing school and is looking forward to... |