WIA GC/10048 | Lehrs, Max to Warburg, Aby 02/12/1893 | thanks him for a copy of his thesis; advises him to write to Max Klinger in Berlin whether he can... |
WIA GC/10190 | Bode, Wilhelm to Warburg, Aby 01/12/1903 | Ferdinand Laban informed him that Warburg will supply an article; it cannot be published in... |
WIA GC/1082 | Kristeller, Paul to Warburg, Aby 20/07/1903 | regrets that he cannot furnish the required information, suggests Warburg asks Max Lehrs; Lehrs... |
WIA GC/10869 | Warburg, Aby to Friedländer, Max J. 22/04/1908 | thanks him for the expert opinion on authorship and value of two drawings submitted to him for... |
WIA GC/1128 | Lehrs, Max to Warburg, Aby 02/12/1903 | supplies bibliographical data |