WIA GC 1930/1534 | Bing, Gertrud to Hoecker, Rudolf 03/05/1930 | |
WIA GC 1930/1535 | Hoecker, Rudolf to KBW 08/05/1930 | |
WIA GC 1930/1536 | Saxl, Fritz to Hoecker, Rudolf 01/11/1930 | |
WIA GC 1930/1537 | Hoecker, Rudolf to Saxl, Fritz 05/11/1930 | |
WIA GC 1930/1538 | Saxl, Fritz to Hoecker, Rudolf 13/11/1930 | |