WIA GC/1888/18 | Semrau, Max to Warburg, Aby 17/12/1888 | he has rented a room together with [Ernst] Zimmermann in Via Azeglio 24; asks him to inform... |
WIA GC/1892/4 | Burmeister, Ernst to Warburg, Aby 03/03/1892 | urges him to come to Berlin to view the art collections and to start work there; he is going to... |
WIA GC/1892/41 | Meyer, Ernst [Schwedeler-Meyer, Ernst] to Warburg, Aby 26/03/1892 | what is Warburg doing in Hamburg?; 'Hubertl' [Hubert Janitschek] wanted to say good-bye to... |
WIA GC/1892/44 | Meyer, Ernst [Schwedeler-Meyer, Ernst] to Warburg, Aby 24/09/1892[?] | he could not find the article by Pepi Zimmermann [i. e. Ernst Zimmermann]; has Warburg given him... |
WIA GC/1892/60 | Zimmermann to Warburg, Aby [March 1892] | supplies address of his son [Ernst Zimmermann] in London; apologizes for not having done so... |