WIA GC/1901/15 | Warburg, Aby to Brockhaus, Heinrich 26/11/1901 | thanks him for letter of 20/10/1901; agrees with Brockhaus's interpretation of the Simonetta... |
WIA GC/1901/7 | Warburg, Aby to Brockhaus, Heinrich 18/08/1901 | has not heard anything from him for months, only indirectly that Brockhaus was in Berlin; [Aby... |
WIA GC/1901/77 | Warburg, Aby to Hermann Seemann Nachfolger 05/06/1901 | as he is working on a book documenting the relationship between scholars, artists and people, he... |
WIA GC/1901/78 | Zeitler, Julius to Warburg, Aby 20/06/1901 | acknowledges receipt of letter, but informs him that Dr. [Victor] Schweizer, who is in charge of... |
WIA GC/1901/79 | Schweizer, Victor to Warburg, Aby 23/07/1901 | is interested in the project, talks about numbers of pages and illustrations and asks him to send... |