Snake Tortoise (Testudo serpentina: Shaw, George. 1802. General zoology or systematic natural history. Volume 3. G. Kearsley, London, U. K.. 615pp.); Serpent Tortoise (Testudo serpentaria: James, Edwin. 1823. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819, 1820. By order of the Hon. J. C. Calhoun, Secretary of War, under the command of Maj. S. H. Long, of the United States Top. Engineers. Compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party by Edwin James, botanist and geologist to the expedition. In three volumes. [Volume 1]. Longman, Hurst, Rees, Orme and Brown, London, England. 344pp.); Snapping Turtle (Chelonura serpentina: Harlan, Richard. 1827. Genera of North American Reptilia, and a synopsis of the species Journal of the Academy of Natural Sciences Philidelphia 5(2):317-372); Alligator Tortoise (Chelonura serpentina: Harlan, Richard. 1827. Genera of North American Reptilia, and a synopsis of the species Journal of the Academy of Natural Sciences Philidelphia 5(2):317-372); Logger-head (Chelonura serpentina: Harlan, Richard. 1827. Genera of North American Reptilia, and a synopsis of the species Journal of the Academy of Natural Sciences Philidelphia 5(2):317-372); Coutta (Chelonura serpentina: Harlan, Richard. 1827. Genera of North American Reptilia, and a synopsis of the species Journal of the Academy of Natural Sciences Philidelphia 5(2):317-372); Serrated Alligator Tortoise (Emys serpentina: 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.); Snake Tortoise (Testudo serpentina: 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.); Snake Tortoise (Emysaurus serpentina: Storer, D. H. 1839. Reports on the Ichthyology and Herpetology of Massachusetts. Reports on the Fishes, Reptiles and Birds of Massachusetts. Published Agreeably to an Order of the Legislature, by the Commissioners on the Zoological and Botanical Survey of the State. Dutton and Wentworth, State Printers, Boston, Massachusetts. pp.); Alligator Turtle (Chelonura serpentina: 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.); Loggerhead (Chelonura serpentina: 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.); Couta (Chelonura serpentina: 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.); Snapping Turtle (Chelonura serpentina: 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.); Alligator Terrapen (Chelydra serpentina: 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.); Snapping Turtle (Chelydra serpentina: Allen, J. A. 1869. Catalogue of the reptiles and batrachians found in the vicinity of Springfield, Mass., with notices of all the other species known to inhabit the state. Proceedings of the Boston Society of Natural Hisotry 12(1868-1869):171-204); Common Snapping Turtle (Chelydra serpentina: Jordan, David Starr. 1876. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Jansen, McClurg, and Company, Chicago, Illinois.. 342pp.); Snapping Turtle (Chelydra serpentina: 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); Cooter (Chelydra serpentina: 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); Snapper (Chelydra serpentina: Hay, Oliver P. 1892. Batrachians and Reptiles of the State of Indiana. Pages 409-624 in 17th Annual Report of the Indiana Department of Geology and Natural Resources, William B. Burford, Printer and Binder, Indianapolis, Indiana. pp.); Snake Tortoise (Chelydra serpentina: Drowne, Frederick P. 1905. The reptiles and batrachians of Rhode Island. Monograph of the Roger Williams Park Museum 15():1-24); Logger Head Turtle (Chelydra serpentina: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Snapper (Chelydra serpentina: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Logger Head (Chelydra serpentina: Fowler, Henry W. 1907. The amphibians and reptiles of New Jersey. MacCrellish and Quigley, Trenton, N. J.. 29-250pp.); Common Snapper (Chelydra serpentina: Stejneger, Leonard and Thomas Barbour. 1917. A Checklist of North American Amphibians and Reptiles. Harvard University Press, Cambridge, Massachusetts. pp.); Florida Snapping Turtle (Chelydra serpentina osceola: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Snapping Turtle (Chelydra serpentina serpentina: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Common Snapping Turtle (Chelydra serpentina serpentina: Schmidt, Karl P. 1953. A Check List of North American Amphibians and Reptiles. 6th Edition. University of Chicago Press, Chicago, Illinois. 280pp.); Common Snapping Turtle (Chelydra serpentina: Meshaka, Walter E. Jr., R. Bruce Bury, Suzanne L. Collins, and Malcolm L. McCallum. 2022. Exotic Amphibians and Reptiles of the United States. University Press of Florida, Gainesville, Florida. 245pp.);