WIA FC/1918/1/7 | Hertz, Wilhelm to Warburg, Aby 16/08/1918 | replies to Warburg's project of a 'Volksheim für die Führenden aller Schichten', a purpose-built... |
WIA FC/1928/16/64 | Warburg, Aby to Warburg, Max 25/08/1928 | summarizes the exhibition of the development of modern mathematical-cosmological orientation... |
WIA GC 1930/1769 | Saxl, Fritz to Krause, Emil 12/05/1930 | |
WIA GC/1913/1198 | Warburg, Aby to Warburg, Max 20/10/1913 | submits two suggestions re university project; quotes the example of science subjects at the... |
WIA GC/1922/234 | Saxl, Fritz to Krause Emil 13/07/1922 | in the years before the war Saxl lectured to young people; now he is director of the Bibliothek... |