WIA GC/1892/26 | Koetschau, Karl to Warburg, Aby 20/12/1892 | thanks him for a copy of his thesis; he enjoys reading it; on his research interests and projects... |
WIA GC/1896/82 | Weber, Paul to Warburg, Aby 19/11/1896 | thanks him for his writings has not received the promised published text [Costumi Teatrali... |
WIA GC/1920/11 | Berger, Hans to Warburg, Mary 16/10/1920 | thanks her for letter; she is right, her husband is a difficult patient; he resists all rules... |
WIA GC/1921/268 | Kautzsch, Rudolf to Warburg, Aby 21/09/1921 | thanks him for a copy of Warburg's Luther book; found it very interesting, spellbinding; feels... |
WIA GC/1921/671 | Weber, Paul to Warburg, Aby 30/09/1921 | apologizes for late reply; thanks him for a copy of the Luther book; was interested in Warburg's... |