UNITED STATES DEPARTMENT OF AGRICULTURE AGRICULTURAL RESEARCH ADMINISTRATION BUREAU OF AGRICULTURAL AND INDUSTRIAL CHEMISTRY PEORIA 5, ILLINOIS March 22, 1948 Professor Joshua Lederberg Department of Genetics College of Agriculture University of Wisconsin fadison, Wisconsin Dear Josh:. Since I do not have any of the sugar derivatives requested in your letter of March 15, I have referred the matter to Miss fontgomery.- I hope she will be able to supply you with at least some of them. Sincerely yours, Judy Kodera Frank H. Stodola, Acting Head Fermentation Division Northern Regional Research Laboratory