WIA GC 1931/329
Burdach, Konrad to Saxl, Fritz 03/02/1931
WIA GC 1931/330
Saxl, Fritz to Burdach, Konrad 12/02/1931
WIA GC 1931/331
Burdach, Konrad to Saxl, Fritz 18/02/1931
WIA GC 1931/332
Saxl, Fritz to Burdach, Konrad 14/09/1931
WIA GC/11264
Warburg, Aby to Burdach, Konrad 17/08/1910
thanks him for his paper 'Sinn und Ursprung der Worte Renaissance und Reformation'; sends him one...