WIA GC/12143 | Warburg, Aby to Norddeutsche Allgemeine Zeitung 02/12/1914 | thanks him for quotes; orders 200 copies of supplement no. 292; [G] Thilenius might get in touch... |
WIA GC/12442 | Warburg, Aby to Grautoff, Otto 03/02/1918 | he enjoyed reading his article in NAZ [Norddeutsche Allgemeine Zeitung?] and agrees with him... |
WIA GC/174 | Warburg, Aby to Albrecht, Carl 24/03/1918 | Albrecht's query is justified; Warburg will respond to it by forwarding two copies of a brochure... |
WIA GC/6335 | Panconcelli-Calzia, Giulio to Warburg, Aby 11/02/1915 | arranges an appointment for Warburg with Bauchi [=Bülow]; mentions Fati [=Friedrich], Rita [=Tari... |
WIA GC/6560 | Warburg, Aby to Norddeutsche Allgemeine Zeitung 11/05/1915 | the article on Kuttner's writings lacked precise bibliographical references |