1. Pathological complications with duplication of the renal pelvis and ureter (double kidney);Braasch;Surg., Gynec. and Obst.,1922
2. Diverticulum of the ureter; a report of 3 cases;Bugbee;Tr. Am. A. Genito-Urin. Surgeons,1931
3. Ectopic ureteral orifice; a report of 17 cases in children;Campbell;Surg., Gynec. and Obst.,1937
4. Unusual ureteral anomaly; report of two cases;Crenshaw;Tr. Am. A. Genito-Urin. Surgeons,1931
5. Crenshaw J.L., Unusual ureteral anomaly. Read before the North Central Branch of the American Urological Association, Chicago, 1933.