Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1840)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1841)

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)

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 flora - New York Botanical Garden (New York Botanical Garden, 1922)

North American flora - New York Botanical Garden (New York Botanical Garden, 1906)

North American flora - New York Botanical Garden (New York Botanical Garden, 1912)

North American flora - New York Botanical Garden (New York Botanical Garden, 1920)

North American flora - New York Botanical Garden (New York Botanical Garden, 1921)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1926)

North American flora - New York Botanical Garden (New York Botanical Garden, 1939)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1946)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1939)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1979)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1990)

Northern & Eastern Colorado Desert coordinated management plan and environmental impact statement : an amendment to the California Desert Conservation Area Plan 1980 and Sikes Act Plan with the California Department of Fish and Game - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, California Desert District Office, 2002)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1975)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1979)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1981)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1989)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1992)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2011)

Northwest flora - Rigg, George B. (George Burton) (University bookstore, 1912)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1988)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1993)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2004)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2007)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2011)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2013)

Notas botânicas (Ceará) - Löfgren, Alberto, 1854 -1918 (Impr. Ingleza, 1923)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1909)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1912)

Notes of a botanist on the Amazon & Andes : being records of travel on the Amazon and its tributaries, the Trombetas, Rio Negro, Uaupés, Casiquiari, Pacimoni, Huallaga, and Pastasa; as also to the cataracts of the Orinoco, along the eastern side of the Andes of Peru and Ecuador, and the shores of the Pacific, during the years 1849-1864 - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1908)

Notes of a botanist on the Amazon & Andes; being records of travel on the Amazon and its tributaries, the Trombetas, Rio Negro, Uaupâes, Casiquiari, Pacimoni, Huallaga and Pastasa; as also to the cataracts of the Orinoco, along the eastern side of the Andes of Peru and Ecuador, and the shores of the Pacific, during the years 1849-1864 - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co., limited, 1908)

Notes on distribution of vascular plants of Newfoundland, Labrador, and adjacent Quebec - Fernald, Merritt Lyndon, 1873 -1950 (1901)

Notes on native and exotic plants in Region 8, with special reference to their value in the Soil Conservation Program - Goodding, Leslie N. (U.S. Soil Conservation Service, 1938)

Notes on the distribution of Pennsylvania plants : based on specimens in the Carnegie Museum of Natural History herbarium - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1989)

Notes on useful plants of Mexico - Rose, J. N. (Joseph Nelson), 1862 -1928 (Govt. print. off, 1899)

Notes sur la flore du Katanga - De Wildeman, Emile 1866 -1947 (1910)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1848)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1871)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1917)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1921)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1896)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1898)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1903)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1914)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1916)

Notizen aus dem Gebiete der Natur- und Heilkunde (Druck und Verlag des Landes-Industrie-Comptoirs, 1847)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1823)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1836)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1893)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1841)

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1850)

Novarum stirpium :brasiliensium decades - Casaretto, Giovanni, 1812 -1879 (Typis J. Ferrandi, 1842)

Novi Commentarii Academiae Scientiarum Instituti Bononiensis - R. Accademia delle scienze dell'Istituto di Bologna. (1836)

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