WIA GC/1902/73 | Burger, Fritz to Warburg, Aby 02/08/1902 | Burger met Warburg in Florence; Burger is working on a research project sponsored by Heidelberg... |
WIA GC/1905/122 | Duhn, Friedrich Karl von to Warburg, Aby 21/11/1905 | thanks him for sending the Orpheus plates |
WIA GC/1905/95 | Warburg, Aby to Clemen, Paul 17/11/1905 | Warburg had to return from Baden-Baden to Hamburg for health reasons; replies to Clemen's card of... |
WIA GC/1906/698 | Warburg, Aby to Strack, Max L. 29/07/1906 | detailed account of he discussions between Warburg and [Paul] Clemen re university post in Bonn... |
WIA GC/1925/1486 | Triepel, L. to Bibliothek Warburg 21/10/1925 | on free copies of [Robert] Eisler book; discusses Brühl in Darmstadt, A. Boulanger, Steplinger... |