WIA GC 1931/2995
Saxl, Fritz to Valentiner, Wilhelm Reinhold 12/03/1931
WIA GC 1931/2996
Valentiner, Wilhelm Reinhold to Saxl, Fritz 07/04/1931
WIA GC 1932/3118
Saxl, Fritz to Valentiner, Wilhelm Reinhold 19/02/1932
WIA GC 1932/3119
Valentiner, Wilhelm Reinhold to Saxl, Fritz 09/03/1932
WIA GC/1907/740
Tschudi, Hugo von to Warburg, Aby 12/09/1907
on dating Rembrandt paintings; is prepared to publish his 'conscientious' work; however, he...