Nova plantarum, animalium et mineralium Mexicanorum historia - Colonna, Fabio, 1567 -1650 (Sumptibus Blasij Deuersini, & Zanobij Masotti bibliopolarum, typis Vitalis Mascardi, 1651)

Nova plantarvm genera ivxta Tovrnefortii methodvm disposita quibus plantae MDCCCC recensentur, scilicet fere MCCCC nondum observatæ, reliquæ suis sedibus restitutæ; quarum vero figuram exhibere visum fuit, eæ ad DL æneis tabulis CVIII. graphice expressæ sunt; adnotationibus, atque observationibus, præcipue fungorum, mucorum, affiniumque plantarum sationem, ortum, & incrementum spectantibus, interdum adiectis ... - Micheli, Pier Antonio, 1679 -1737 (typis B. Paperinii, 1729)

Novae species qvadrvpedvn e Glirivm ordine, cvm illvstrationibvs variis complvrivm ex hoc ordine animalivm - Pallas, Peter Simon, 1741 -1811 (svmtv Wolfgangi Waltheri, 1778)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2005)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2010)

Novi commentarii Academiae Scientiarum Imperialis Petropolitanae - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Typis Academiae Scientarum, 1749)

Novi commentarii Academiae Scientiarum Imperialis Petropolitanae - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Typis Academiae Scientarum, 1768)

Novi commentarii Academiae Scientiarum Imperialis Petropolitanae - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Typis Academiae Scientarum, 1775)

Novi Commentarii Academiae Scientiarum Instituti Bononiensis - R. Accademia delle scienze dell'Istituto di Bologna. (1839)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1863)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1843)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1851)

The novum organon; or, A true guide to the interpretation of nature. A new translation by G.W. Kitchin - Bacon, Francis, 1561 -1626 (University Press, 1855)

Novum organum scientiarum - Bacon, Francis, 1561 -1626 (Typis G. Girardi, 1762)

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

Nudibranchs from Zanzibar and East Africa Part [1]-5 - Zoological Society of London. (Zoological Society of London], 1904)

Number 1 of Annulosa javanica, or, An attempt to illustrate the natural affinities and analogies of the insects collected in Java by Thomas Horsfield ... : and deposited by him in the museum of the Honourable East-India Company [no. 1] - Horsfield, Thomas, 1773 -1859 (Kingsbury, Parbury, and Allen, 1825)

Nuovi annali delle scienze naturali (1838)

Nuovi annali delle scienze naturali (1847)

Nuovo Giornale d'Italia Spettante alla Scienza Naturali (1780)

Nye bidrag til kundskaben om Middelhavets invertebratfauna IV Ostracoda mediterranea (sydeuropæiske Ostracoder) - Sars, G. O. (Georg Ossian), 1837 -1927 (Alb. Cammermeyer, 1887)

Nye Samling af det Kongelige Danske Videnskabers Selskabs Skrifter - Kongelige Danske videnskabernes selskab. (1781)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1851)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1864)

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

Obseruationes circa viuentia, quæ in rebus non viuentibus reperiuntur : Cum micrographia curiosa siue Rerum minutissimarum obseruationibus, quæ ope microscopij recognitæ ad viuum exprimuntur : his accesserunt aliquot animalium testaceorum icones non antea in lucem editæ : omnia curiosorum naturæ exploratorum vtilitati & iucunditati expressa & oblata - Buonanni, Filippo, 1638 -1725 (Typis Dominici Antonij Herculis, 1691)

Observationes et historiae omnes & singulae è Guijielmi Harvei libello De generatione animalium excerptae, & in accuratissimum ordinem redactae : item Wilhelmi Langly De generatione animalium observationes quaedam : accedunt Ovi faecundi singulis ab incubatione diebus factae inspectiones : ut et Observationum anatomico-med. decades quatuor, denique Cadavara balsamo condiendi modus - Harvey, William, 1578 -1657 (Typis Abrahami Wolfgang, 1674)

Observationes in historiam naturalem et anatomiam comparatam in itinere Groenlandico factae ... / auctor Martinus Guilelmus Mandt - Mandt, Martin Wilhelm, 1800 -1858 (Formis Brueschckianis, 1822)

Observationes zoologicas de zoophytis coralliis, speciatim de genere Fungia : et descriptionem nonnullarum hujus generis specierum novarum vel nondum accuratius cognitarum / edidit Frid. Sigism. Leuckart ; cum tabulis IV aere incisis - Leuckart, F. S. (Friedrich Sigismund), 1794 -1843 (1841)

Observationum medicarum Castrensium Hungaricarum decades tres. In usum publicum hoc tempore recusae - Meibom, Heinrich, 1638 -1700 (F. Lüderwaldi, 1685)

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, 2009)

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, 2012)

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, 1973)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1974)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1992)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1993)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1958)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1971)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1992)

Occasional papers on mollusks - Harvard University. Museum of Comparative Zoology. Department of Mollusks. (Dept. of Mollusks, 1999)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1983)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1990)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1991)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1853)

Œuvres complètes de Buffon avec la nomenclature Linnéenne et la classification de Cuvier - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (1853)

Oeuvres complètes de Christiaan Huygens. Publiées par la Société hollandaise des sciences - Huygens, Christiaan, 1629 -1695 (M. Nijhoff, 1888)

Of microscopes and the discoveries made thereby : illustrated with many copper-plates - Baker, Henry, 1698 -1774 (Printed for J. Dodsley, 1785)

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)

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

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1838)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1857)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1864)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1878)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1884)

Ohio fossils - La Rocque, Aurèle, 1909 - (Ohio Dept. of Natural Resources, Division of Geological Survey, 1955)

Les Oiseaux d'Europe décrits par C. J. Temminck - Werner, Johann Carl. (1848)

Okens Lehrbuch der Naturgeschichte - Oken, Lorenz, 1779 -1851 (Bei Carl Heinrich Reclam, 1815)

Om slägtet Sorex, med några nya arters beskrifning - Sundevall, Carl J., 1801 -1875 (Kungliga Vetenskapsakademien, 1842)

Om Sveriges hydrachnider - Neuman, Carl Julius, 1839 -1912 (Kongl. boktryckeriet, P.A. Norstedt & söner, 1880)