Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1904)

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1815)

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

Nova Stirpivm adversaria : perfacilis vestigatio, lvcvlentaquv accessio ad priscorum, praesertim Dioscoridis, & recentiorum, materiam medicam - L'Obel, Matthias de, 1538 -1616 (Apvd Christophorum Plantinum, architypographum Regium, 1576)

Novae plantarum species praesertim Indiae orientalis :Ex collectione doct. Benj. Heynii : cum descriptionibus et observationibus - Roth, Albrecht Wilhelm, 1757 -1834 (Sumptibus H. Vogleri, 1821)

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, 1769)

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)

Novi Commentarii Academiae Scientiarum Instituti Bononiensis - R. Accademia delle scienze dell'Istituto di Bologna. (1844)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1900)

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, 1921)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1939)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1862)

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, 1845)

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

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1925)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1915)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1917)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1918)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1920)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1921)

Nuova notarisia, rassegna consacrata allo studio delle alghe - Toni, Giovanni Battista de, 1864 -1924 (1922)

Nuove osservazioni, ed esperienze intorno all'ovaja scoperta neʼ vermi tondi dell'uomo : e deʼ vitelli, con varie lettere spettanti alla storia medica, e naturale - Pre-1801 Imprint Collection (Library of Congress) (Nella stamperia del seminario, appresso G. Manfrè, 1713)

Nuovi annali delle scienze naturali (1841)

Nuovi annali delle scienze naturali (1843)

Nuovi annali delle scienze naturali (1846)

Nuovi annali delle scienze naturali (1850)

Nuovi annali delle scienze naturali (1851)

Nuovi annali delle scienze naturali (1852)

Nuovi annali delle scienze naturali (1853)

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

Nuovo Giornale d'Italia Spettante alla Scienza Naturali (1778)

Nutritional studies including quantitative mineral requirements of the almond moth, cadra cautella (Lepidoptera: Pyralidae) - Stevens, William Craig, 1938 - (1970)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1904)

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

Observata quaedam anatomica de Auchenia lama. Dissertatio inauguralis - Möller, Julius Otto Ludwig, 1819 -1887 (Regimontius Prussorum, 1840)

Observations et Mémoires sur la Physique, sur l'Histoire Naturelle et sur les Arts et Métiers, etc (1786)

Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (1903-06, 1906)

Observations on the geology and zoology of Abyssinia, made during the progress of the British expedition to that country in 1867-68 - Blanford, W. T. (William Thomas), 1832 -1905 (Macmillan and co, 1870)

Observations on the Neilgherries; including an account of their topography, climate, soil, & productions, and of the effects of the climate on the European constitution ... - Baikie, Robert. (Printed at the Baptist mission press, 1834)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1893)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2009)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1988)

Odontographie. Vergleichende Darstellung des Zahnsystemes der lebenden und fossilen Wirbelthiere - Giebel, C. (Christoph), 1820 -1881 (A. Abel, 1855)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1886)

Oeuvres complètes de Buffon - Cuvier, Georges, baron, 1769 -1832 (P. Duménil, 1835)

Œuvres complètes de Buffon - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Chez F.D. Pillot, 1830)

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 M. le C.te de Buffon - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (De l'Imprimerie royale, 1775)

Oeuvres complètes de M. le C.te de Buffon - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (De l'Imprimerie royale, 1774)

Oeuvres complètes. Publiées sous la direction de J.-A. Barral - Arago, F. (François), 1786 -1853 (Gide et J. Baudry, 1854)

Oeuvres de Descartes - France. Ministère de l'Instruction publique (L. Cerf, 1897)

Of husbandry : in twelve books : and his book concerning trees - Columella, Lucius Junius Moderatus. (Printed for A. Millar, opposite to Catharine-street in the Strand, 1745)

Official catalogue of exhibitors. Universal exposition. St. Louis, U.S.A. 1904. : Division of exhibits. Department A. Education [to H. Agriculture; J. Horticulture to P. Physical Culture; R. Livestock.] (For the Committee on press and publicity by the official catalogue company inc, 1904)

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)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1863)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1881)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1845)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1846)

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, 1868)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1869)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1873)

Ohrknorpel und äusseres ohr der Säugetiere; eine vergleichend-anatomische Untersuchung - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 ([Nielsen & Lydiche (A. Simmelkiær)], 1912)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1972)