The titanotheres of ancient Wyoming, Dakota, and Nebraska - Osborn, Henry Fairfield, 1857 -1935 (Dept. of the Interior, U.S. Geological Survey, 1929)

Tortoises, terrapins, and turtles : drawn from life - Gray, John Edward, 1800 -1875 (H. Sotheran, J. Baer & co, 1872)

Les tortues éteintes de l'Île Rodriguez : d'après les pièces conservées dans les galeries du Muséum - Muséum national d'histoire naturelle (France) (Imprimerie Nationale, 1893)

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Trait©♭ de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

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