1. Anus, Rectum and Sigmoid Colon;Bacon,1949
2. Practical Proctology;Buie,1937
3. Role of the Anal Glands in the Pathogenesis of Anorectal Disease;Hill;J.A.M.A.,1943
4. The Development of the Rectum in the Human Embryo;Johnson;Am. J. Anat.,1914
5. Editorial: Specialization versus General Training;Lehman;Surgery,1953