WIA GC/10427 | Warburg, Aby to Neumann, Carl 21/11/1906 | thanks him for a letter in which Neumann gave his reasons why he cannot give a lecture as... |
WIA GC/14742 | Hermanin de Reichenfeld, Federico to Warburg, Aby 19/10/1924 | it is not a question of 'initiative' to obtain the photographs of the ceiling in the Farnesina... |
WIA GC/15355 | Möller, Emil to Bibliothek Warburg 05/03/1924 | his book on Leonardo will be published later in the year; forwards list of books and articles on... |
WIA GC/25017 | Alber, Franz to KBW 14/06/1929 | requests books by Fritz Knapp, 'Andrea Mantegna : des Meisters Gemälde und Kupferstiche in 213... |
WIA GC/2754 | Sachs, Curt to Warburg, Aby 21/02/1907 | forwards a copy of [Fritz] Knapp's 'Perugino' and requests a review |