WIA GC 1930/1066 | Fürth, Salomon to Eckardt, Eva von 18/01/1930 | |
WIA GC 1930/22 | Alber, Franz to Eckardt, Eva von 04/04/1930 | |
WIA GC 1930/3554 | Eckardt, Eva von to Warburg, Erich 02/08/1930 | |
WIA GC 1930/3555 | Warburg, Erich to Eckardt, Eva von 03/05/1930 | |
WIA GC 1930/3564 | Eckardt, Eva von to Warburg, Erich 09/08/1930 | von Eckardt sends the financial report for the first semester of 1930 [extant] |