The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1889)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1921)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1856)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1866)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1870)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1871)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1875)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1880)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1885)

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

New York Shell Club notes - New York Shell Club. (The Club, 1963)

New York Shell Club notes - New York Shell Club. (The Club, 1973)

Noctuelles et géomètres d'Europe - Culot, Jules, 1861 - (Villa-les-Iris, 1909)

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)

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)

Nomenclatura generica e specifica di alcune conchiglie mediterranee - Di Monterosato, T. A. (Tommasso Allery) 1841 -1927 (Stab. Tip. Virzì, 1884)

Non-marine mollusca of Patagonia - Pilsbry, Henry Augustus, 1862 -1957 (1911)

The nonmarine mollusks of San Jose Island, with notes on those of Pedro Gonzalez, Pearl Islands, Panama - Smithsonian Institution (Smithsonian Institution, 1946)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 1999)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2000)

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, 2002)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2006)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2013)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2014)

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)

Notes from the Leyden Museum - Rijksmuseum van Natuurlijke Historie te Leiden. (E.J. Brill, 1914)

Notes on American land shells, and other miscellaneous conchological contributions - Binney, W. G. (William Greene), 1833 -1909 (Printed for the author, 1874)

Nouvelles miscellanées malacologiques / par M. le Docteur Paladilhe - Paladilhe, Alcide, 1814 -1877 (Chez Savy, 1866)

Nouvelles miscellanées malacologiques - Paladilhe, Alcide, 1814 -1877 (Chez Savy, libraire-éditeur, 1869)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1915)

Nuovo catalogo delle Conchiglie terrestri e fluviatili della Sicilia o continunzione alla Illustrazione sistèmatica, &c - Benoit, Luigi, 1804 -1890 (1881)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1915)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1966)

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

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1918)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1921)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1946)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1959)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1973)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1975)

Oeuvres scientifiques de M.J.-R. Bourgignat : précédées d'une préface biographique - Servain, Georges. (Impr. D. Dumoulin, 1891)

Oeuvres scientifiques; précédées d'une préf. biographique par Georges Servain - Servain, Georges. (D. Dumoulin, 1891)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)