WIA GC 1930/1110
Bing, Gertrud to Goldschmidt, Adolph 08/05/1930
WIA GC 1930/1111
Goldschmidt, Adolph to Bing, Gertrud 09/05/1930
WIA GC 1930/1112
Bing, Gertrud to Goldschmidt, Adolph 13/05/1930
WIA GC 1930/1113
Goldschmidt, Adolph to Bing, Gertrud 17/05/1930
WIA GC 1932/3493
Warburg, Max to Saxl, Fritz 14/12/1932
encloses copy of letter Goldschmidt, Adolph to Warburg, Max M. 10/12/1392 [extant: WIA GC 1932/3494]