WIA GC/10206 | Warburg, Aby to Warburg, Mary 24/06/1903 | thanks her for forwarding a letter by Tilli [Mathilde Jolles]; Tilli is a wonderful woman; wants... |
WIA GC/10332 | Warburg, Aby to Schultz, Otto 03/02/1906 | supplies explanations what kind of information a hayfever chart should furnish; it should be... |
WIA GC/10361 | Warburg, Aby to Schultz, Otto 01/09/1906 | agrees to postpone the competition due to lack of support from members of the hayfever organisation |
WIA GC/11421 | Warburg, Aby to Schultz, Otto 01/08/1911 | he succeeded in raising funds for Mrs. D. [May Dohrn]; asks him to treat the matter discretely... |
WIA GC/11590 | Warburg, Aby to Schultz, Otto 21/04/1912 | thanks him for having forwarded reports of the Hayfever organisation; he wanted a complete set... |