Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1912)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2010)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1861)

Nützlicher rathgeber für stubengärtner - Randow, R. von. (Baumgärtner, 1828)

Numerical list of dried specimens of plants in the Museum of the Honl. East India Company - Wallich, N. (Nathaniel),‏ 1786 -1854 ([s.n.], 1828)

Nunquam otiosus : zoologische Mittheilungen / von Dr. L. W. Schaufuss - Schaufuss, L. W. (Ludwig Wilhelm), 1833 -1890 (Gesellschaft für Botanik und Zoologie zu Dresden, 1870)

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, 1923)

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)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1907)

The nursery-book; a complete guide to the multiplication of plants ... - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co, 1914)

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)

The nursery-book : a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan co, 1913)

The nursery-book; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1901)

Nursery catalog : lawn specialists : we will design the proper planting for your home ... no extra charge - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Potter Nurseries, 1951)

The nursery-manual; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

Nursery retail price list fall 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Burton, 1956)

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

Nurserymen's seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1930)

De nuttige planten van Nederlandsch-Indië, tevens synthetische catalogus der verzamelingen van het Museum voor Technische- en Handelsbotanie te Buitenzorg - Heyne, K. (Ruygrok, 1913)

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

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1916)

Österreichs allgemeine baumzucht, : oder Abbildungen in- und ausländischer Bäume und Sträuche, deren Anpflanzung in Österreich möglich und nützlich ist - Schmidt, Franz, 1751 -1835 (Ignaz Albertischen Buchdruck, 1794)

Observations on the flora of Japan - Queiroz, Margareth M. C. (1901)

Observations on the genus Unio, together with descriptions of new genera and species ... - Lea, Isaac, 1792 -1886 (Printed by J. Kay, Jun., & Co. [etc.], 1867)

Observations on the structure and economy of plants : to which is added The analogy between the animal and the vegetable kingdom - Hooper, Robert, 1773 -1835 (Sold by Messrs. Fletcher and Co. Messrs. Rivington, St. Paul's Church Yard, 1797)

Observations sur les plantes - Guettard, Jean Etienne, 1715 -1786 (Durand, 1747)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1905)

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

Oceanographic observations, 1957, east coast of the United States - U.S. Fish; Wildlife Service (U.S. Fish and Wildlife Service, 1959)

Oceanographic observations, 1965, east coast of the United States - Chase, Joseph. (Clearinghouse [U.S. Govt. Printing Office, 1968)

Oceanographic observations, North Atlantic Ocean Station ECHO, terminal report, 1966-1973 - Longacre, Adrian W. (U.S. Coast Guard, Oceanographic Unit, 1977)

The oceanography of Santa Monica Bay, California - Stevenson, Robert E. (Robert Evans), 1916 - (Allan Hancock Foundation for Scientific Research, University of Southern California, 1956)

Oecology of plants : an introduction to the study of plant-communities - Vahl, M. (Martin), 1749 -1804 (Clarendon Press, 1909)

Oecology of plants : an introduction to the study of plant-communities - Warming, Eugenius, 1841 -1924 (Clarendon Press, 1909)

Oecology of plants; an introduction to the study of plant-communities - Balfour, Isaac Bayley, 1853 -1922 (Clarendon Press, 1909)

The oedogoniaceae; a monograph including all the known species of the genera Bulbochaete, Oedocladium and Oedogonium - Tiffany, L. H. (Lewis Hanford), 1894 -1965 (The author, 1930)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1860)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1861)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1866)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1876)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1877)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1891)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1893)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1900)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1916)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

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

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

Of the proficience and advancement of learning - Bacon, Francis, 1561 -1626 (Bell & Daldy, 1861)

Offer No. 50 : Nov. 7, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offering. mature plants of cattleya species. #6, June, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clint McDade & Sons, 1949)

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, 1986)

Official livestock brand book for the Province of Alberta - Alberta. Brand Office. (Livestock Identification Services, 1978)

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, 1982)

Die officinellen Pflanzen der Pharmacopoea Germanica für Pharmaceuten und Mediciner besprochen und durch Originalabbildungen erläutert - Kohl, F. G. (Friedrich Georg), 1855 -1910 (Barth, 1895)

Die offizinellen Pflanzen und Drogen :eine systematische Übersicht über die in sämtlichen Staaten Europas sowie in Japan und den Vereinigten Staaten von Amerika offizinellen Pflanzen und Drogen mit kurzen erläuternden Bemerkungen - Mitlacher, Wilhelm, 1872 -1913 (C. Fromme, 1912)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1912)

Öfversigt af Finska vetenskaps-societetens förhandlingar - Suomen Tiedeseura (s.n.], 1915)

Ogrody pofnocne... - Strumiffo, Josef. (1830)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1921)

Olds' seeds,1946, 59th year : field, garden and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1946)

Omnium stirpium sciagraphia et icones : quibus plantarum et radicum tum in hortis cultarum, tum in vrbium fossis & muris, pratis, aruis, montibus, collibus, nemoralibus, fluviis, riguis & littoralibus, villis & pagis, spontè provenientium, nomina, figura, natura, natales, synonyma, vsus & virtutes, docentur : cum doctissimorum scriptorum circa eas consensu & dissensu - Chabrey, Dominique, 1610 -1669 (Sumptibus Samuelis de Tournes, 1678)

On mammalian descent; the Hunterian Lectures for 1884; being nine lectures delivered in the theatre of the Royal College of Surgeons during February, 1884 - Parker, William Kitchen William Kitchen Parker 1823 -1890 (Charles Griffin, 1885)

On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life - Darwin, Charles, 1809 -1882 (John Murray, Albemarle Street, 1859)

On the reptiles and batrachians - Garman, Samuel, 1843 -1927 (Printed for the Museum?, 1883)

On the so-called Dimorphism in the Genus Cambarus - Faxon, Walter, 1848 -1920 (J.D. & E.S. Dana, 1884)

On the study and value of Chinese botanical works : with notes on the history of plants and geographical botany from Chinese sources - Bretschneider, E. (Emil), 1833 -1901 (1871)

One-hundred and ninth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1910)

Onion culture; prize essays and other papers [from the American agriculturist] (1860)

Onions : how to raise them profitably ; details of experience, from the selection of seed and preparation of the ground, to harvesting and marketing the crop ; statements of seventeen practical onion growers ... to which is added an illustrated description of the onion fly - Jennings, Wm. J. (Orange Judd & Co, 1865)

Onomatologia botanica completa : oder Vollständiges botanisches Wörterbuch ; worinn nicht nur alle Kunstwörter übersetzt und erklärt, die bekannte [sic] Pflanzen nach der Lehrart des Ritters von Linne beschrieben, ihre verschiedene Namen nach den berühmtesten Schriftstellern angeführt, und eine kleine Lebensgeschichte der vornehmsten Kräuterkundigen beygefügt, sondern auch die Heilskräfte und der Nutzen, den die Arzney-Wissenschaft, Landwirtschaft, Färberey, Vieharzney- und Scheidekunst aus denselben ziehen, aus den besten Schriften dieser Art und aus eigener Erfahrung erläutert werden von einer Gesellschaft erfahrner Pflanzenkundiger - Gmelin, Johann Friedrich, 1748 -1804 ([publisher not identified], 1775)

Onomatologia botanica completa : oder Vollständiges botanisches Wörterbuch ; worinn nicht nur alle Kunstwörter übersetzt und erklärt, die bekannte [sic] Pflanzen nach der Lehrart des Ritters von Linne beschrieben, ihre verschiedene Namen nach den berühmtesten Schriftstellern angeführt, und eine kleine Lebensgeschichte der vornehmsten Kräuterkundigen beygefügt, sondern auch die Heilskräfte und der Nutzen, den die Arzney-Wissenschaft, Landwirtschaft, Färberey, Vieharzney- und Scheidekunst aus denselben ziehen, aus den besten Schriften dieser Art und aus eigener Erfahrung erläutert werden von einer Gesellschaft erfahrner Pflanzenkundiger - Gmelin, Johann Friedrich, 1748 -1804 ([publisher not identified], 1778)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (Frank H. Lattin, 1887)

Ophidians, zoological arrangement of the different genera, including varieties known in North and South America, the East Indies, South Africa, and Australia. Their poisons, and all that is known of their nature. Their galls, as antidotes to the snake-venom - Higgins, S. B. (Boericke & Tafel, 1873)

Opisthobranch newsletter - Long, Steven J. (S.J. Long, 1977)

Opuscoli scientifici d'entomologia, di fisica e d'agricoltura - Termeyer, Ramón María, 1737 -1814 (Nella Stamperia del Giornale italico di Carlo Dova, contrada S. Rafaello, num. 998, 1807)

Opuscules de botanique - Clos, Dominique, 1821 -1908 (1859)

Opuscules entomologiques - Mulsant, Martial Étienne, 1797 -1880 (L. Maison)

Opuscules entomologiques - Mulsant, Martial Étienne, 1797 -1880 (L. Maison, 1853)

The Orchadian - Australasian Native Orchid Society (The Society, 2010)

The Orchadian - Australasian Native Orchid Society (The Society, 2011)

Orchard and farm (Calkins Newspaper Syndicate, 1898)

The Orchid review (Orchid Review ltd.], 1917)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2001)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2002)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2003)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2004)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2005)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2006)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2008)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2009)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2010)

Oregon flora newsletter - Oregon State University. Department of Botany; Plant Pathology. (Oregon Flora Project, Dept. of Botany & Plant Pathology, Oregon State University, 2011)

The organic constituents of plants and vegetable substances and their chemical analysis - Wittstein, Georg Christian, 1810 -1887 (MCarron, Bird & Co, 1878)

Organic materia medica : including the standard remedies of the leading pharmacopoeas as well as those articles of the newer materia medica ... and of the preparations made therefrom by Parke, Davis & Co. ... - Parke, Davis & Company ([s.n.], 1888)

Oriental memoirs : selected and abridged from a series of familiar letters written during seventeen years residence in India : including observations on parts of Africa and South America, and a narrative of occurrences in four India voyages : illustrated by engravings from original drawings - Hooker, William Jackson, Sir, 1785 -1865 (Printed for the author by T. Bensley, 1813)

Oriental seeds : 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1921)

Oriental seeds, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1930)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (D. Appleton, 1886)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (Hafner Pub. Co, 1890)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (Appleton, 1892)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (D. Appleton and Co, 1908)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (D. Appleton and company, 1902)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (D. Appleton, 1885)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (Paul, Trench, 1886)

Origin of cultivated plants - Candolle, Alphonse de, 1806 -1893 (K. Paul, Trench, 1884)