1. Endotheliomyeloma (Ewing's tumor) of the sacrum;Brav;J. Bone & Joint Surg.,1938
2. Sacral and presacral tumors;Brindley;Ann. Surg.,1945
3. The roentgenologic diagnosis of tumors involving the sacrum;Camp;Radiology,1938
4. Presacral dermoid;Carney;Ann. Surg.,1944
5. Clinical aspects of sacrococcygeal teratomas;Chaffin;Surg., Gynec. & Obst.,1939