WIA GC/11231 | Warburg, Aby to Wohlwill, Paul 22/04/1910 | reference for the painter Ernst Eitner; he 'plays too fine an instrument to use it as trumpet on... |
WIA GC/11304 | Warburg, Aby to Wohlwill, Paul 29/11/1910 | he apologizes for having been unable to come to a meeting; he had to attend the first meeting of... |
WIA GC/11725 | Warburg, Aby to Wohlwill, Paul 26/01/1913 | as his wife is a member, newsletters by the Gesellschaft should be addressed to her and not to him |
WIA GC/18281 | Wohlwill, Paul to Warburg, Aby 12/06/1926 | sends birthday greetings; thanks him for his work; he has often lifted them out of their humdrum... |
WIA GC/27198 | Warburg, Moritz to Warburg, Aby and Warburg, Mary 31/01/1900 | thanks them for their letter; calls Marietta 'their blue sky' at home; admonishes Warburg to... |