Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1840)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2007)

The North American cup-fungi (inoperculates) - Seaver, Fred Jay, 1877 -1970 (1951)

North American flora - New York Botanical Garden (New York Botanical Garden, 1907)

North American forests and forestry; their relations to the national life of the American people - Bruncken, Ernest, 1865 -1933 (Putnam, 1900)

North American forests and forestry, their relations to the national life of the American people - Bruncken, Ernest, 1865 -1933 (G.P. Putnam, 1900)

North American mesozoic and cænozoic geology and palæontology; or, An abridged history of our knowledge of the triassic, jurassic, cretaceous and tertiary formations of this continent - Miller, S. A. (Samuel Almond), 1836 -1897 (Printed by J. Barclay, 1881)

The North American Pyrenomycetes. A contribution to mycologic botany - Everhart, B. M. (Benjamin Matlack), 1818 -1904 (Ellis & Everhart, 1892)

The North American Pyrenomycetes a contribution to mycologic biology - Everhart, B. M. (Benjamin Matlack), 1818 -1904 (Ellis & Everhart, 1892)

North American species of Hygrophorus - Hesler, L. R. 1888 -1977 (University of Tennessee Press, 1963)

The North American sylva, or A description of the forest trees of the United States, Canada and Nova Scotia ... to which is added a description of the most useful of the European forest trees ... - Hillhouse, Augustus L. (Augustus Lucas), 1791 -1859 (Printed by C. D'Hautel, 1819)

North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1908)

North American trees; being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies; with the assistance of John Adolph Shafer - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1908)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

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)

North Platte River area designated (noxious) weed treatment program : environmental assessment record - United States. Bureau of Land Management. (Wyoming Department of Agriculture, 1978)

Northeastern Area Forest Health Report (1993)

Northeastern Area Forest Health Report–1992 (1994)

Northern grown evergreens for windbreak, forest, watershed, nursery and ornamental planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, Cupsuptic Nursery, 1937)

The northern hardwood forest : its composition, growth, and management - Frothingham, E. H. (Earl Hazeltine), 1880 - (U.S. Dept. of Agriculture, 1915)

Northern New England seed crop (certified as to origin) : 1931 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, 1931)

Northern New England seed crop (certified as to origin) : 1930 crop [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Company, 1930)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1991)

Notes on distribution of vascular plants of Newfoundland, Labrador, and adjacent Quebec - Fernald, Merritt Lyndon, 1873 -1950 (1901)

Notes on the flora of Nova Scotia - Fernald, Merritt Lyndon, 1873 -1950 (1920)

Notes on the flora of western Nova Scotia, 1921 - Fernald, Merritt Lyndon, 1873 -1950 (Gray Herbarium of Harvard University, 1922)

Notes on the Lepidoptera of America - Grote, Augustus Radcliffe, 1841 -1903 (Printed by the New York Printing Company, 1867)

Notes upon trees and shrubs adapted to central Illinois : with especial reference to their value in ornamental planting - Gibbs, George, Jr. (1900)

Notice sur les plantes de Michaux et sur son voyage au Canada et à la Baie d'Hudson, d'après son Journal manuscrit et autres documents inédits - Brunet, Ovide, 1826 -1876 (Bureau de L'Abeille, 1863)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1905)

Notizen aus dem Gebiete der Natur- und Heilkunde (Druck und Verlag des Landes-Industrie-Comptoirs, 1847)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1836)

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. (1843)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1831)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1834)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1835)

Novelties & general catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, Inc, 1916)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc)

Novelties and specialties - Manda, W.A., Inc. (W.A. Manda, Inc, 1915)

November 1931 seed for nurserymen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1931)

Now! new low prices, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Fernando Nursery Company, 1930)

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

Nuovi materiali e ricerche critiche sulle piante fossili terziarie dei gessi di Ancona - Paolucci, Luigi (Ancona: A.G. Morelli, 1896)

Nursery catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Potter Nurseries, 1954)

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)

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, 1950)

Nursery catalog [of] fruit, shade and ornamental trees and shrubs, berry plants and bush fruits, Dutch bulbs, roses and flowering shrubs. Fall 1918-Spring 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1918)

Nursery propagation of woody and herbaceous perennials for the Prairie Provinces - Canada. Agriculture Canada (Communications Branch, Agriculture Canada, 1982)

Nursery stock and greenhouse products : wholesale list, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Nursery stock catalog [and] planting guide : 37th year, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1930)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1938)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1940)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1948)

Nursery stock of distinction, complete landscape department - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nursery, 1937)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1947)

Nursery stock of distinction, complete landscape department : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1943)

[Nursery stock price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cora Lee Young Nursery, 1929)

Nursery stock price list, December, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Long-Bell Lumber Company, 1933)

Nursery stock seeds planting guide : price list spring 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1923)

Nursery stock seeds planting guide : price list spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1924)

Nursery stock seeds planting guide : price list spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Malmo & Co, 1925)

Nurserymen's seeds, fresh 1927 crop : March 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

Die Nutzhölzer der Vereinigten Staaten, ihre Handels- und Lokalbezeichnungen, botanischen Charaktere und Verbreitungs- gebiete. Speziell für den Holzhandel bearb - Rattinger, Karl K (Forstbüro Silva, 1910)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1921)

Oak brand shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conard-Pyle Co, 1926)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1947)

Oak Park Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oak Park Nurseries, 1948)

Observations on the flowering plants, ferns and fern allies growing wild in Marquette County, Michigan, in 1916 and 1917, especially in the vicinity of the Huron Mountain Club - University of Michigan. Museum of Zoology. (Published by the University, 1918)

Der Obstbau (W. Kohlhammer, 1908)

Der Obstbau (W. Kohlhammer, 1909)

Der Obstbau (W. Kohlhammer, 1910)

Der Obstbau (W. Kohlhammer, 1911)

Der Obstbau (W. Kohlhammer, 1912)

Der Obstbau (W. Kohlhammer, 1913)

Der Obstbau (W. Kohlhammer, 1914)

Der Obstbau (W. Kohlhammer, 1915)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1869)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1913)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1921)

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, 1858)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1863)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1876)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1904)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1908)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1913)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1914)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1855)

Offer No. 29 : February 9th, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

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

Offer No. 59, November 1st, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, inc, 1930)

Offer No. 62 : February, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, inc, 1931)

Offer No. 66 : March, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, inc, 1931)

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)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 1999)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1909)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1912)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1917)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

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

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1904)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1906)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1903)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1907)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1909)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1910)

The Ohio naturalist - Ohio Academy of Science. (Biological Club of the Ohio State University, 1913)

L'Oiseau et la Revue francaise d'ornithologie - Société ornithologique de France. (Société ornithologique de France, 1939)

On the germination, development, and fructification of the higher Cryptogamia, and on the fructification of the Coniferae - Hofmeister, Wilhelm, 1824 -1877 (Pub. for the Ray society by R. Hardwicke, 1862)

On the germination, development, and fructification of the higher Cryptogamia : and on the fructification of the Coniferæ - Hofmeister, Wilhelm, 1824 -1877 (Published for the Ray Society, by Robert Hardwicke, 1862)

On the natural history of the Gulf of St. Lawrence and the distribution of the Mollusca of Eastern Canada - Bell, Robert, 1841 -1917 (s.n.], 1859)

One-hundred and fifth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1906)