WIA GC/12311 | Warburg, Aby to Petersen, Peter 07/03/1916 | on his order of books on Aristotle; the order is with the rare bookseller Gustav Fock; he is... |
WIA GC/12317 | Warburg, Aby to Petersen, Peter 22/03/1916 | suggests a date when [Peter] Petersen could call and look at the philosophy books; encloses M 300 |
WIA GC/13068 | Saxl, Fritz to Petersen, Peter 08/01/1921 | expresses his thanks to Petersen for sending a copy of his 'great work' ['Aristotelisches in der... |
WIA GC/13069 | Saxl, Fritz to Petersen, Peter 20/06/1921 | he is very pleased that Petersen wants to write a review of Warburg's Luther book; Fritz Warburg... |
WIA GC/13350 | Hertz, Clara to Warburg, Aby 08/01/1921 | forwards list of acquisition in 1920 and list of books presented to Warburg, by Hanna Geffcken... |