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Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2020)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2021)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2021)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2021)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2021)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2021)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

Amphibian & reptile conservation (Amphibian & Reptile Conservation, 2022)

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Archiv für Naturgeschichte (Nicolai, 1860)

Archiv für Naturgeschichte (Nicolai, 1880)

Archiv für Naturgeschichte (Nicolai, 1886)

Archiv für Naturgeschichte (Nicolai, 1887)

Archiv für Naturgeschichte (Nicolai, 1887)

Archiv für Naturgeschichte (Nicolai, 1891)

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Archiv für Naturgeschichte (Nicolai, 1902)

Archiv für Naturgeschichte (Nicolai, 1903)

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Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1874)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1892)

The Record of zoological literature (J. van Voorst, 1864)

Reisen in den Vereinigten Staaten, Canada und Mexico - Müller, J. W. von Baron (Johann Wilhelm) 1824 -1866 (F.A. Brockhaus, 1865)

The reptiles and batrachians of North America / by Samuel Garman - Garman, Samuel, 1843 -1927 (Yeoman Press, 1883)

Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting - Figuier, Louis, 1819 -1894 (D. Appleton, 1870)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world : tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan Co, 1922)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world : tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan Co, 1922)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world : tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan Co, 1922)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world : tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Macmillan Co, 1922)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Reptiles of the world: tortoises and turtles, crocodilians, lizards and snakes of the eastern and western hemispheres - Ditmars, Raymond Lee, 1876 -1942 (Sturgis and Walton, 1910)

Révision de la famille des ixodidés - Neumann, G (1896)

Révision de la famille des ixodidés - Neumann, G (1896)

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Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1911)

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Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2010)

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Scientific news for general readers; a popular illustrated weekly journal of science (1888)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1997)

Societatum litterae (R. Friedländer, 1893)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

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The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1951)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1953)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

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Wanderings in South America : the North-west of the United States and the Antilles, in the years 1812, 1816, 1820, & 1824 - Wood, J. G. (John George), 1827 -1889 (Macmillan and Co, 1879)

Wanderings in South America, the north-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824 : with original instruction for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1889)

Wanderings in South America, the north-west of the United States and the Antilles in the years 1812, 1816, 1820 & 1824 : with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1885)

Wanderings in South America, the North-west of the United States and the Antilles, in the years 1812, 1816, 1820, & 1824 : with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Waterton, Charles, 1782 -1865 (Macmillan, 1889)

Wanderings in South America, the North-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824. With original instructions for the perfect preservation of birds, etc., for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1907)

Wanderings in South America, the north-west of the United States and the Antilles in the years 1812, 1816, 1820 & 1824 with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Waterton, Charles, 1782 -1865 (Macmillan, 1885)

Wanderings in South America, the north-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824 with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1889)

Wanderings in South America, the north-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824 : with original instruction for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1889)

Wanderings in South America, the north-west of the United States and the Antilles in the years 1812, 1816, 1820 & 1824 : with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1885)

Wanderings in South America, the North-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824. With original instructions for the perfect preservation of birds, etc., for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1907)

Wanderings in South America, the north-west of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824 with original instructions for the perfect preservation of birds, etc. for cabinets of natural history - Wood, J. G. (John George), 1827 -1889 (Macmillan, 1889)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

Die Zeichnung der Boiden - Zenneck, Jonathan Adolf Wilhelm, 1871 - (W. Engelmann, 1898)

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Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1891)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

Zeitschrift für wissenschaftliche Zoologie - Kölliker, Albert, 1817 -1905 (Wilhelm Engelmann, 1898)

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Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1911)

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