WIA GC/10296 | 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/10327 | Warburg, Aby to Clemen, Paul 27/01/1906 | Warburg no longer thinks of an academic post in Bonn, since [Fritz] Burger will be appointed... |
WIA GC/10381 | 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/10513 | Warburg, Aby to Robert, Carl 24/12/1906 | the research on Sassetti makes it necessary for him to consult [Fritz] Burger's book on... |
WIA GC/10545 | Warburg, Aby to Gottschewski, Adolf 31/01/1907 | returns a letter; as he suspected that something was going on, he has already ordered the book to... |