Naturhistoriske bidrag til en beskrivelse af Grønland - Reinhardt, J. (Johannes), 1816 -1882 (L. Kleins bogtrykkeri, 1857)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1910)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1895)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1897)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1899)

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

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1922)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1926)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1945)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1950)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1955)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1956)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1962)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1964)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1992)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1927)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1886)

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

Nemouria; occasional papers of the Delaware Museum of Natural History - Delaware Museum of Natural History. (Delaware Museum of Natural History, 2000)

NeoBiota : advancing research on alien species and biological invasions (Pensoft Publishers, 2020)

Neue Alpina : eine Schrift der Schweizerischen Naturgeschichte Alpen- und Landwirthschaft gewiedmet - Steinmüller, Johann Rudolf, 1773 -1835 (Steiner, 1821)

Neue Denkschriften der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (1837)

Neues Jahrbuch für Mineralogie, Geologie und Paläontologie (E. Schweizerbart, 1897)

Neues Jahrbuch für Mineralogie, Geologie und Paläontologie (E. Schweizerbart, 1903)

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, 1950)

New York Shell Club notes - New York Shell Club. (The Club, 1968)

New York Shell Club notes - New York Shell Club. (The Club, 1976)

Nomenclator heliceorum viventium : quo continetur nomina omnium hujus familiae generum et specierum hodie cognitarum, disposita ex affinitate naturali / Opus postumum Ludovici Pfeiffer - Clessin, Stephan, 1833 -1911 (Cassellis, 1878)

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 continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, sub auspiciis et sumptibus C. R. Societatis zoologico-botanicae conscriptus a comite Augusto de Marschall - Marschall, August Friedrich, 1804 -1887 (typis C. Ueberreuter (M. Salzer), 1873)

North Atlantic biota and their history; a symposium held at the University of Iceland, Reykjavík, July 1962, under the auspices of the University of Iceland and the Museum of Natural History. Editors: Askell Löve and Doris Löve. Sponsored by the NATO Advanced Study Institutes Program - Áskell Löve, 1916 -1994 (Pergamon Press, 1963)

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

Notes on collecting and preserving natural-history objects - Taylor, J. E. (John Ellor), 1837 -1895 (Hardwicke & Bogue, 1876)

Notes on South African mollusca - Connolly, Matthew William Kemble, 1872 -1947 (South African Museum, 1915)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1841)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1874)

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

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2002)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2004)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2006)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2007)

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

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2015)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2016)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2017)

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

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)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1936)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1955)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1939)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1956)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1957)

Otia conchologica : descriptions of shells and mollusks, from 1839 to 1862 - Gould, Augustus A. (Augustus Addison), 1805 -1866 (Gould and Lincoln, 1862)

Otia conchologica : descriptions of shells and mollusks from 1839 to 1862 / by Augustus A. Gould, M.D - Gould, Augustus A. (Augustus Addison), 1805 -1866 (1846)

Our British snails - Society for Promoting Christian Knowledge (Great Britain) (Society for Promoting Christian Knowledge, 1915)

Papers of Bland - Bland, Thomas, 1809 -1885 (s.n, 1852)

Parasitology (Cambridge University Press, 1922)

Parasitology (Cambridge University Press, 1920)

Parasitology (Cambridge University Press, 1918)