1. An excellent bibliography is appended to the article by Riley and Swann: Urol. & Cutan. Rev;The following reports, arranged chronologically, contain additional cases,1945
2. Hemangioma of the kidney associated with multiple hemangiomas;Dean;Trans. Am. Ass. Genito-Urin. Surg.,1940
3. Primary hemorrhagic cysts of the kidney;Herman;Trans. Am. Ass. Genito-Urin. Surg.,1940
4. Essential hematuria: Are lesions of a renal papilla a frequent cause?;Webb-Johnson;Brit. J. Urol.,1941