The New England farmer (Thomas W. Shepard, 1826)

The new flora of the volcanic island of Krakatau - Ernst, Alfred, 1860 -1898 (University Press, 1908)

New names introduced by H. A. Pilsbry in the Mollusca and Crustacea - Turner, Ruth Dixon (Academy of Natural Sciences of Philadelphia, 1962)

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

A new theory of the origin of species - Ferris, Benjamin G. (Fowler, 1883)

The New York Zoological Park - Sanborn, Elwin R. (Elwin Roswell) (New York Zoological Society, 1908)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1972)

Niederländisches Archiv für Zoologie (A.C. Kruseman; Leiden : E.J. Brill; Leipzig : C.F. Winter, 1876)

Nimrod of the sea, or The American whaleman - Davis, William M. (William Morris), 1815 -1891 (Harper & Brothers, 1874)

Nimrod of the sea; or, The American whaleman - Davis, William M. (William Morris), 1815 -1891 (Harper & brothers, 1874)

Nimrod of the sea, or, The American whaleman - Davis, William M. (William Morris), 1815 -1891 (Harper & Brothers, 1874)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

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)

Nomenclator Zoologicus : eine etymologische Erklärung der vorzüglichsten Gattungs- und Art-Namen, welche in der Naturgeschichte des Thierreichs vorkommen - Leunis, Johannes, 1802 -1873 (Hahn'sche Hofbuchhandlung, 1866)

Nomenclatura geográfica de México : etimologías de los nombres de lugar correspondientes a los principales idiomas que se hablan en la república - Peñafiel, Antonio, 1831 -1922 (Oficina Tipográfica de la Secretaria de Fomento, 1897)

Nomenclature of North American birds chiefly contained in the United States National Museum - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1881)

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

Normentafeln zur Entwicklungsgeschichte der Wirbelthiere ... - Keibel, Franz, 1861 -1929 (G. Fischer, 1904)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2001)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2005)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2010)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2012)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1895)

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

Notas a Luccok sobre a flora e fauna do Brazil - Rodrigues, J. Barbosa (João Barbosa), 1842 -1909. (Laemmert, 1882)

Notes by a naturalist : an account of observations made during the voyage of H.M.S. "Challenger" round the world in the years 1872-1876 - Moseley, H. N. (Henry Nottidge), 1844 -1891 (Putnam, 1892)

Notes by a naturalist on the "Challenger", being an account of various observations made during the voyage of H.M.S. "Challenger" around the world, in the years 1872-1876, under the commands of Capt. Sir G. S. Nares and Capt. F. T. Thomson - Moseley, H. N. (Henry Nottidge), 1844 -1891 (Macmillan and co, 1879)

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, 1907)

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

Notes on a collection of birds from Michoacan, Mexico - Blake, Emmet Reid, 1908 -1997 (1942)

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 Bahaman reptiles and amphibians - Schmidt, Karl Patterson, 1890 -1957 (1936)

Notes on comparative anatomy a syllabus of a course of lectures delivered at St. Thomas's Hospital - King's College London. (J. and A. Churchill, 1871)

Notes on the breeding behavior of lizards - Schmidt, Karl Patterson, 1890 -1957 (Field Museum of Natural History, 1935)

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

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)

Notices of the proceedings at the meetings of the members of the Royal Institution, with abstracts of the discourses - Royal Institution of Great Britain. (W. Nicol, Printer to the Royal Institution, 1887)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1822)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1826)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1827)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1803)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1804)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1817)

Nouvelles annales du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Roret, 1835)

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

Nouvelles suites à Buffon (Roret, 1835)

Nouvelles suites à Buffon (Roret, 1837)

Nouvelles suites à Buffon (Roret, 1839)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1783)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1826)

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

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1835)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1838)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2001)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2009)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1899)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1902)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1904)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1915)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1992)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1993)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2001)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2003)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1845)

Novus orbis seu Descriptionis Indiae Occidentalis, libri XVIII - Laet, Joannes de, 1593 -1649 (Apud Elzevirios, 1633)

Nuevos elementos de historia natural : conteniendo la zoologia, la botanica, la mineralogia y la geologia ... - Rodrigo, José. (Imprenta de Verges, 1837)

Nuovi annali delle scienze naturali (1838)

Nuovi annali delle scienze naturali (1840)

Nuovi annali delle scienze naturali (1850)

Nuovi annali delle scienze naturali (1851)

Nuovi annali delle scienze naturali (1852)

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

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

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1931)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1953)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1945)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1956)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1959)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1963)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2013)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1982)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1923)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1961)