WIA GC/1889/34 | Vöge, Wilhelm to Warburg, Aby 04/01/1889 | thanks him for New Year greetings; tells him when Friedrich Keutgen, [Theobald] Ziegler, Hubert... |
WIA GC/1890/31 | Semrau, Max to Warburg, Aby 05/01/1890 | asks him to greet Adolf Michaelis for him; he does not know Hubert Janitschek; does Warburg want... |
WIA GC/1890/42 | Vöge, Wilhelm to Warburg, Aby 15/12/1890 | he still cannot find the book by Hubert Janitschek 'Geschichte der Malerei'; suggests that... |
WIA GC/1891/21 | Térey, Gabriel von to Warburg, Aby 23/10/1891 | thanks him for Warburg's card; Robert Vischer is moving to Leipzig; H. J. [Hubert Janitschek... |
WIA GC/1891/24 | Warburg, Aby to Ziegler, Theobald, 08/12/1891 | application to be awarded a PhD for his research on Sandro Botticelli; oral examinations to be... |