1. New growths developing in undescended testicles;Cunningham;J. Urol.,1921
2. Malignant disease of testicle retained within the abdominal cavity;Bulkley;Surg., Gynec. & Obst.,1913
3. Tumeurs du testicule;Chevassu;Thèse,1906
4. Tumors of the Testis;Ewing,1922