1. Bacon, H. E.: Personal communication to the author.
2. Creech, O., Jr.: Presidential address: The surgical residency revisited. Ann. Surg.166: 303, 1967.
3. Hanley, P. H.: The specialty of colon and rectal surgery. New Physician17: 133, 1968.
4. Jackman, R. J.: Personal communication to the author.
5. Knowles, J. H.: The quantity and quality of medical manpower: A review of medicine’s current efforts. J. Med. Educ.44: 81, 1969.