WIA GC/1906/311 | Herz, Marie to Warburg, Aby 01/11/1906 | encloses a programme [no longer extant] and requests Warburg to advertise it |
WIA GC/1907/259 | Kunstsalon Clematis to Warburg, Aby [before 12/10/1907] | invitation to the sixth exhibition of art with works by J. Exter, H. Struck, M. von Gruenewaldt... |
WIA GC/1907/506 | Marr, Heinz to Warburg, Aby 04/03/1907 | on the meeting of the 'Kunstkommission'; only [Friedrich von] Borstel and Marr attended it; Miss... |
WIA GC/1907/553 | Warburg, Aby to Müller-Rastatt, Carl 11/10/1907 | asks him to send a critic to attend the Richard Muther lecture in the Salon Clematis on Max... |
WIA GC/1908/192 | Kunstsalon Clematis to Warburg, Aby [with 1908 correspondence] | Clematis Fine Art is in financial difficulties and appeals to Hamburg citizens to raise more... |