WIA GC/1906/751
Wortmann, Helene to Warburg, Aby 01/09/1906
sends him a picture postcard with one of her photographs; thanks him for having motivated her to...
WIA GC/1907/777
Wortmann, Helene and Goedeckemeyer, Martha to Warburg, Aby 29/06/1907
greetings