1. Malignancy of the female urethra;McCrea;Urol. Surv.,1952
2. Diseases of the Kidney, Ureters and Bladder;Kelly,1914
3. Ueber Krebs der weiblichen Harnröhre;Ehrendorfer;Arch. Gynäk.,1899
4. Fricke, R. E. and McMillan, J. T.: Treatment of Cancer and Allied Diseases. New York: Harper & Brothers, vol. 6, p. 312.
5. Operative Gynecology;Kelly,1900