1. Polyorchidism;Boggon;Brit. J. Surg.,1933
2. An accessory abdominal testicle;Cranz;N. Carolina Med. J.,1942
3. A case of duplication or subdivision of the testicle;Edington;Brit. Med. J.,1928
4. Polyorchidism;Jordon;J. Urol.,1934
5. An anatomical analysis of an example of polyorchidism;King;J. Anat.,1931