Naturwissenschaftlicher Beobachter (Zoologische Gesellschaft [etc.], 1898)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1879)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1890)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1893)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1894)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1908)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1914)

A new alligator lizard from the Panamint Mountains, Inyo County, California - University of California, Berkeley. Museum of Vertebrate Zoology. (American Museum of Natural History, 1958)

New Mexico standards for public land health and guidelines for livestock grazing management : proposed statewide resource management plan amendment/final environmental impact statement - New Mexico. Bureau of Immigration. (U.S. Department of the Interior, Bureau of Land Management, New Mexico State Office, 2000)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

New North American fleas - Traub, Robert, 1916 -1996 (1944)

A new platynotan lizard (Diapsida, Squamata) from the late Cretaceous Gobi Desert (Ömnogöv), Mongolia - Norell, Mark A. (American Museum of Natural History, 2008)

The Nidologist - Cooper Ornithological Club of the Pacific Coast. (Henry Reed Taylor, 1895)

Nomenclator reptilium et amphibiorum musei zoologici Berolinensis : Namenverzeichnis der in der zoologischen Sammlung der Koeniglichen Universität zu Berlin aufgestellten Arten von Reptilien und Amphibien nach ihren Ordnungen, Familien und Gattungen - Lichtenstein, Hinrich, 1780 -1857 (1856)

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 conservanda - Gesellschaft Naturforschender Freunde zu Berlin. (Gesellschaft naturforschender Freunde zu Berlin, 1915)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1889)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1893)

North American herpetology, or, A description of the reptiles inhabiting the United States - Holbrook, John Edwards, 1794 -1871 (J. Dobson, 1838)

North American herpetology; or, A description of the reptiles inhabiting the United States - Holbrook, John Edwards, 1794 -1871 (J. Dobson, 1842)

North Dakota greater sage-grouse : proposed resource management plan amendment and final environmental impact statement - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, [Montana State Office], 2015)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Notes on a collection of reptiles made by Mr. C. J. Pierson at Fort Smith, Arkansas, with remarks on other eastern reptiles - McLain, Robert Baird. (1899)

Notes on the herpetology of Dakota and Montana - Coues, Elliott, 1842 -1899 ([G.P.O?], 1878)

Notes on the natural history of portions of Montana and Dakota; being the substance of a report to the Secretary of War on the collections made by the North Pacific Railroad Expedition of 1873, Gen. D.S. Stanley, commander - Allen, J. A. (Joel Asaph), 1838 -1921 (1874)

Notice historique sur la ménagerie des reptiles du Muséum d'histoire naturelle et observations qui y ont été recueilles - Duméril, Auguste Henri André, 1812 -1870 (Muséum national d'histoire naturelle?, 1850)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1899)

Nouvelles suites à Buffon (Roret, 1834)

Nouvelles suites à Buffon (Roret, 1835)

Nouvelles suites à Buffon (Roret, 1837)

Nouvelles suites à Buffon (Roret, 1854)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1894)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1832)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1903)

Nuovi annali delle scienze naturali (1850)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1897)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1922)