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Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 2000)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1982)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1984)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1986)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1988)

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Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

mian xiang 21 shi ji de zhong guo sheng wu duo yang xing bao hu - Xu, Zhihong (zhong guo lin ye chu ban she, 2000)

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Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Histor. Geologie - Bayerische Staatssammlung für Paläontologie und Historische Geologie München (Bayerische Staatssammlung für Paläontologie und Historische Geologie, 2002)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1894)

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Natural history for the use of schools and families - Hooker, Worthington, 1806 -1867 (Harper & brothers, 1864)

Natural history in zoological gardens; being some account of vertebrated animals, with special reference to those usually to be seen in the Zoological society's gardens in London and similar institutions - Beddard, Frank E. (Frank Evers), 1858 -1925 (A. Constable & co., ltd, 1905)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

The natural history of animals: the animal life of the world in its various aspects and relations - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (The Gresham Publishing Company, 1903)

Natural history of the wood frog (Rana sylvatica) in the Shawnee National Forest, southern Illinois - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2002)

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New biology - Smallwood, W. M. (William Martin), 1873 -1949 (Allyn and Bacon, 1934)

A new frog from an Eocene oil-well core in Nevada - Hecht, Max K., 1925 - (American Museum of Natural History, 1960)

A new frog of the genus Cornufer from the Solomon Islands, with notes on the endemic nature of the Fijian frog fauna - Myers, George S. (George Sprague), 1905 -1985 (American Museum of Natural History, 1949)

A new frog of the genus Ctenophryne (Microhylidae) from the Pacific lowlands of northwestern South America - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1989)

A new generic and family position for Bufo Borbonica - Davis, D. Dwight (Delbert Dwight), (1935)

A new lizard species in the genus Xantusia from Arizona - Papenfuss, Theodore J. (Natural History Museum, University of Kansas, 2001)

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A new species of leech from the New York metropolitan area - Siddall, Mark Edward, 1966 - (American Museum of Natural History, 2007)

A new species of leopard frog (Rana pipiens complex) from the Plains of the central United States - Mecham, John S. (The Museum, Texas Tech University, 1973)

New Zealand Mud Snails in the Darlington Ditch, Cobblestone Fishing Access Site on the Madison River - Montana. Department of Fish, Wildlife,; Parks (Montana Fish, Wildlife & Parks, 2001)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

Nomina systematica generum reptilium, tam viventium quam fossilium : secundum ordinem alphabeticum disposita, adjectis auctoribus, libris in quibus reperiuntur, anno editionis, etymologia et familiis ad quas pertinent - Agassiz, Louis, 1807 -1873 (s.n, 1844)

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Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1917)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1909)