1. Anus, Rectum, Sigmoid Colon. Diagnosis and Treatment;Bacon,1941
2. Practical Proctology;Buie,1938
3. Anus, Rectum, Sigmoid Colon. Diagnosis and Treatment;Bacon,1941
4. Anatomy and embrology of the anus in relation to the pelvic floor;Barrett;J. Internat. Coll. Surg.,1947