The Jane Coffin Childs Memorial Fund for Medical Research Board of Scientific Advisers Office of Director M. C, WINTERNITZ, Acting Director Yale University School of Medicine Rarpu G. MeEaner, Assistant Director 333 Cedar Street RupOLPH J. ANDERSON New Haven 11, Connecticut S. BAYNE-JONES Ross G. HARRISON JouN J. Morton Peyton Rous October 28, 1947 GErEorGcE M. SMITH Mr. J. Lederberg Department of Genetics University of Wisconsin Madison, Wisconsin Dear Mr. Lederberg: We are getting together information about reprints which should be included in our 1947 volume of Collected Papers of the Fund. We will be much obliged for your assistance in completing our records and our collection of reprints of papers which have been published in 1947 (or earlier if not previously included) and in which aid from this Fund is acknowledged. According to our records, there have been three such papers published under Project No. 61-6. These are listed on the enclosed sheet by title as they will appear under the name of your laboratory. We will appreciate it if you will: (1) check the list carefully to correct and complete it; (2) add to it the authors, title, probable journal and date of publication of papers in press or manuscripts submitted or about to be submitted which may appear in the remaining months of 1947; (3) return the completed and corrected list of papers to us promptly; (4) send us as soon as possible after publication 25 reprints of each paper which acknowledges aid from this Fund. Sincerely yours, AG. Wee RnR. G. Meader rgm:em enc,