WIA GC/26064 | Warburg, Aby to Warburg, Felix 24/11/1895 | thanks him for letters; is very sad about Olga Leonino's; Warburg received a letter from Dr... |
WIA GC/26201 | Warburg, Aby to Warburg, Felix and Warburg, Frieda 06/04/1896 | reports on his trip to the Grand Canyon; travelling companions were General [William J.] Palmer... |
WIA GC/26228 | Warburg, Moritz to Warburg, Aby 09/11/1896 | the Hugo von der Goes painting will remain in Florence; describes it and analyses it; he likes it... |
WIA GC/27729 | Warburg, Aby to family Moritz Warburg, 14/12/1895 | detailed description of his time in America so far; the reason for his trip to the South West is... |
WIA GC/9606 | Palmer, William J. to Elkaw Club Colorado Springs 25/11/1895 | letter of introduction for Warburg |