WIA GC/19526 | Warburg, Aby to Warburg, Max 22/02/1927 | reports on Dr. Heile's visit in KBW, on Heile's work in the Weltwirtschaftsarchiv; on Warburg's... |
WIA GC/12861 | Warburg, Aby to Hertz, Walther 16/05/1928 | he decided to have a special suitcase for books made for himself through [Walther] Hertz... |
WIA GC/12862 | Hertz Walther to Warburg, Aby 19/05/1928 | is very pleased that Warburg wants to have a suitcase for books made through Hertz; discusses... |
WIA GC/13250 | Derenberg, Julius to Warburg, Aby 20/03/1921 | congratulates him on the final exams of Marietta and Frede; his own son Carl and his nephew... |
WIA GC/13356 | Hertz, Clara to Warburg, Aby 03/09/1921 | greetings from the 'Bücherstube' [book room, i.e. library staff]; there is a great deal of... |