BioStor
 | Description of four new species of Kinosternum John Le Conte (1854) Proc. Acad. Natur. Sci. Philadelphia 7: 180-190 |
 | On some new species freshwater tortoises from North America, Ceylon and Australia J E Gray (1856) Ann. Mag. Nat. Hist. 18: 263-268 |
 | Proceedings of Learned Societies (1856) Annals And Magazine of Natural History 18: 260-268 |
 | November 13th, 1860 J E Gray (1860) Proceedings of The Zoological Society of London 1860: 373-417 |
 | Observations on the box tortoises, with the descriptions of three new Asiatic species J E Gray (1863) Proceedings of the Zoological Society of London 1863: 173-179 |
 | Observations on the box tortoises, with the description of three new asiatic species J E Gray (1864) Ann. Mag. Nat. Hist 13: 105-111 |
 | Proceedings of Learned Societies (1864) Annals And Magazine of Natural History 13: 93-111 |
 | Notes on the families and genera of tortoises (Testudinata), and on the characters afforded by the study of their skulls J E Gray (1869) Proceedings of the Zoological Society of London 1869: 165-225 |
 | Revision of the African tortoises and turtles of the suborder Cryptodira, by Arthur Loveridge and Ernest E. Williams A Loveridge (1957) Bulletin of The Museum of Comparative Zoology 115: 161-557 |
 | Revision of the African Tortoises and Turtles of the Suborder Cryptodira Arthur Loveridge and Ernest E Williams (1957) Bulletin of the Museum of Comparative Zoology 115: 163-557 |