WIA GC 1930/2515 | Bing, Gertrud to Petri, Anna 10/01/1930 | |
WIA GC 1930/2516 | Bing, Gertrud to Petri, Anna 27/02/1930 | |
WIA GC 1930/2517 | Bing, Gertrud to Petri, Anna 07/03/1930 | |
WIA GC 1930/2518 | Petri, Anna to Bing, Gertrud 22/03/1930 | |
WIA GC 1930/2519 | Petri, Anna to Bing, Gertrud 03/04/1930 | |