A new subspecies of the tawny-bellied cotton rat, Sigmodon fulviventer, from Trans-Pecos Texas - Stangl, Frederick B., Jr. ([Texas Tech University Press], 1992)

A new subspecies of Zygodontomys brevicauda from Soldado Rock, Trinidad, the West Indies (Rodentia, Cricetidae) - Goodwin, George Gilbert (American Museum of Natural History, 1965)

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)

The non-volant mammals of the Reserva Nacional Allpahuayo-Mishana, Loreto, Peru - Velazco, Paúl M. (Museum of Texas Tech University, 2012)

Norges pattedyr - Collett, Robert, 1842 -1913 (H. Aschehoug & Co. (W. Nygaard), 1911)

Norges pattedyr - Collett, Robert, 1842 -1913 (H. Aschehoug & Co. (W. Nygaard), 1912)

Normentafeln zur Entwicklungsgeschichte der Wirbelthiere ... - Keibel, Franz, 1861 -1929 (G. Fischer, 1905)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1891)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1904)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1909)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1926)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1931)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1947)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1959)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1968)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1969)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1975)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1981)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 1982)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 1990)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 1992)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2003)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2014)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1887)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1892)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1907)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1906)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1879)

Notes from the Royal Zoological Museum of the Netherlands at Leyden - Schlegel, H. (Hermann), 1804 -1884 (E.J. Brill, 1879)

Notes on Bolivian mammals. 3, A revised diagnosis of Andalgalomys (Rodentia, Muridae) and the description of a new subspecies - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1987)

Notes on Bolivian mammals. 5, Taxonomy and distribution of Bolomys (Muridae, Rodentia) - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1989)

Notes on Bolivian mammals. 7, A new species of Abrocoma (Rodentia) and relationships of the Abrocomidae - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1990)

Notes on Bolivian mammals. 4, The genus Ctenomys (Rodentia, Ctenomyidae) in the eastern lowlands - Anderson, Sydney, 1927 -2018 (American Museum of Natural History, 1987)

Notes on Peromyscus (Muridae) of Mexico and Central America - Musser, Guy G. (American Museum of Natural History, 1969)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1922)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1895)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1896)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1898)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1912)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1920)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1938)

Nuovi annali delle scienze naturali (1838)

Nuovi annali delle scienze naturali (1840)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1897)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1911)

Obras completas y correspondencia científica - Ameghino, Florentino, 1853 -1911 (Taller de Impresiones Oficiales, 1918)