WIA GC/10715 | Warburg, Aby to Bode, Wilhelm 17/10/1907 | thanks him for information re Richard Muther; he will contact G. Kirstein; on the Richard Muther... |
WIA GC/11081 | Warburg, Aby to Kirstein, Gustav 04/08/1909 | when Warburg wrote to Seemann re Hugo Vogel reviews, he did not know what the relationship was... |
WIA GC/11782 | Warburg, Aby to Kirstein, Gustav 21/08/1912 | forwards the programme of the congress; requests quotation for production costs of the... |
WIA GC/11820 | Warburg, Aby to Kirstein, Gustav 12/03/1913 | responds to his cable; Warburg is astonished that a decision has not been taken |
WIA GC/12201 | Warburg, Aby to Kirstein, Gustav 02/05/1915 | on Hugo Vogel; Warburg explains his position against Vogel who is not morally fit for painting... |