Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1823)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1825)

Nova plantarum americanarum genera - Tournefort, Joseph Pitton de, 1656 -1708 (apud Joannem Boudot, 1703)

Nova plantarum americanarum genera - Plumier, Charles, 1646 -1704 (Apud Joannem Boudot, regis & regiae scientiarum academiae typographum, via Jacobaea, ad Solem Aureum, 1703)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1919)

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, 1994)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1995)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1997)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1998)

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, 2005)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1860)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1858)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1893)

Novus orbis seu Descriptionis Indiae Occidentalis, libri XVIII - Laet, Joannes de, 1581 -1649 (Apud Elzevirios, 1633)

The nursery-book : a complete guide to the multiplication and pollination of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Rural Pub. Co, 1892)

Nursery stock brokerage list : Dec. 1st, 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1927)

Nursery stock, trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Franklin Forestry Co, 1939)

Nutrition and foraging ecology of the desert tortoise : FY 1989 annual report - DeFalco, Lesley A. (U.S. Fish and Wildlife Service, National Ecology Research Center, 1990)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2013)

Nya botaniska notiser ([A. Bonniers Förlag], 1852)

Nya botaniska notiser ([A. Bonniers Förlag], 1853)

Nya botaniska notiser ([A. Bonniers Förlag], 1856)

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

Nytt Lördags-Magasin (1860)

Oakes Ames Orchid Herbarium correspondence files - Ames, Oakes, 1874 -1950 (1922)

Obras - Acosta, José de, 1540 -1600 (Ediciones Atlas, 1954)

Obras completas y correspondencia científica - Ameghino, Florentino, 1853 -1911 (Taller de Impresiones Oficiales, 1915)

Observationes botanicae quibus plantae Indiae Occidentalis : aliaeque Systematis vegetabilium ed. XIV illustrantur earumque characteres passim emendantur : cum tabulis aeneis - Swartz, Olof, 1760 -1818 (Sumtu Jo. Jacobi Palmii, 1791)

Observations (mangareva exped), also coll. no. book, collection numbers 10710-10999 and localities for 8658-10709 - Fosberg, F. Raymond (Francis Raymond), 1908 -1993 (1934)

Observations on the Coccidae of Egypt - Hall, W. J. (Wilfrid John), 1892 -1965 (Government Press, 1922)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1979)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1978)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1980)

Ocean dumping : hearings before the Subcommittee on Oceanography and the Subcommittee on Fisheries and Wildlife Conservation, and the Environment of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-seventh Congress, second session, on reauthorization of The Marine Protection, Research and Sanctuaries Act, Titles I and II–H.R. 6112 and H.R. 6113, March 18, 23, 26, 1982, proposed ocean dumping user fees–H.R. 6113 and H.R. 6324 (joint committee hearing with Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science and Technology) June 23, 1982 - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S. G.P.O, 1982)

Ocean pollution : hearings before the Subcommittee on Oceanography of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-eighth Congress, first session, on sewage disposal in New York Bight (joint hearing with Subcommittee on Fisheries and Wildlife Conservation and the Environment), May 25, 1983; environmental oversight of Georges Bank Exploration, June 27, 1983–Boston, Mass. ; radioactive waste disposal oversight, November 2, 1983 - United States. Congress. House. Committee on Merchant Marine; Fisheries. (U.S. G.P.O, 1984)

Odorographia : a natural history of raw materials and drugs used in the perfume industry : intended to serve growers, manufacturers and consumers - Sawer, John Charles (Gurney & Jackson, 1892)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1877)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1878)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1907)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1851)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1852)

Official guide to the Botanic Gardens, Dominica : illustrated : with an index of the principal plants - Botanic Gardens (Dominica) (The Garden, 1922)

Official guide to the museums of economic botany. No. 1, Dicotyledons - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1907)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1994)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1986)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 2009)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 2005)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1992)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1970)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1990)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1982)

Öfversigt af de inom Skandinavien (Sverige och Norrige) anträffade Hvalartade Däggdjur (Cetacea) - Lilljeborg, Wilhelm, 1816 -1908 (s.n, 1861)

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

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1868)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1871)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1872)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1874)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1878)

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

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1883)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1890)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1891)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1893)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1894)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1895)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1901)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1902)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1903)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1909)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1910)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1917)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1844)

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, 1848)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1850)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1851)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1854)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1856)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1860)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1862)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1863)

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, 1867)