Hawk's-bill Turtle (Testudo imbricata: Gmelin, Johann F. 1788. Caroli a Linné. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tom. I. Pars III. [Charles from Linnaeus. The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places. Volume 1. Part 3.] Impensis Georg Emanuel Beer, Lipsiae [Leipzig], Germany. 1035pp.); Scaley Tortoise (Testudo imbricata: Gmelin, Johann F. 1788. Caroli a Linné. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tom. I. Pars III. [Charles from Linnaeus. The system of nature through the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places. Volume 1. Part 3.] Impensis Georg Emanuel Beer, Lipsiae [Leipzig], Germany. 1035pp.); Imbricated Turtle (Testudo imbricata: Shaw, George. 1802. General zoology or systematic natural history. Volume 3. G. Kearsley, London, U. K.. 615pp.); Imbricated Turtle (Chelonia imbricata: Gray, John E. 1830. A synopsis of the species of the class reptilia. Pages 1-110 in The Animal Kingdom Arranged in Conformity with its Organization by the Baron Cuvier, member of teh Institute of France, with Additional Descriptions of all the Species Hitherto Named, and of many not before noticed. Ninth Volume. Whittaker, Treacher, and Company, London, England. pp.); Imbricated Turtle (Testudo imbricata: Griffith, Edward and Edward Pidgeon. 1831. The class reptilia arranged by the Baron Cuvier, with specific descriptions. Part 2. Whittaker, Treacher, and Company, London. 1-481pp.); Tortoise-shell Turtle (Chelonia imbricata: De Kay, James E. 1842. Zoology of New-York, or, The New-York Fauna: Comprising Detailed Descriptions of All the Animals Hitherto Observed within the State of New-York, with Brief Notices of those Occasionally Found Near its Borders, and Accompanied by Appropriate Illustrations. Volume 1, Part 3 (Reptiles and Amphibians). W. & A. White & J. Visscher, Albany, New York. pp.); Caret (Caretta imbricata: Gray, John E. 1856. Catalogue of shield reptiles in the collection of the British Museum. Part I. Testudinata (Tortoises). Taylor and Francis, London, England. 79pp.); Hawk's-bill Turtle (Chelonia imbricata: Royal College of Surgeons of England. 1859. Descriptive catalogue of the specimens of natural history in spirit contained in the Museum of the Royal college of surgeons of England. Vertebrata: Pisces, Reptilia, Aves, Mammalia. Taylor and Francis, London, England. pp.); Atlantic Hawk's-bill Turtle (Eretmochelys imbricata: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Pacific Hawk's-bill Turtle (Eretomochelys squamata: Yarrow, Henry C. 1882. Check list of North American Reptilia and Batrachia with catalogue of specimens in U. S. National Museum. Bulletin of the United States National Museum (24):1-249); Tortoise-shell Turtle (Eretmochelys imbricata: Davis, N. S. Jr. and Frank L. Rice. 1883. Descriptive catalogue of North American batrachia and reptilia, found east of Mississippi River. Illinois Natural History Survey Bulletin 1(5):71); Pacific Tortoise-shell Turtle (Eretomochelys squamosa: Van Denburgh, John. 1922. The Reptiles of Western North America: An Account of the Species Known to Inhabit California and Oregon, Washinton, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora, and Lower California. Volume I. Lizards. California Academy of Sciences, San Francisco. 556pp.); Hawksbill Turtle (Eretmochelys imbricata: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Atlantic Hawksbill Turtle (Eretmochelys imbricata imbricata: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Pacific Hawksbill Turtle (Eretmochelys imbricata squamata: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.);