Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1890)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1911)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1921)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1943)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1948)

Navlet's 1930 catalog and planters guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1930)

Navlet's catalog and planter's guide for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1932)

Navlet's fiftieth birthday garden guide and catalog, 1885-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1935)

Navlet's garden guide and catalog, 1885-1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1936)

Navlet's garden guide and catalog, 1885-1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1937)

Navlet's planters guide and catalog, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. C. Navlet Co. Inc, 1929)

Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1837)

Neue forstliche Blätter - Bühler, Anton, 1848 -1920 (Georg Schnürlen, 1902)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1880)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1887)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1916)

The new book of trees - Woodward, Marcus. (A. M. Philpot, 1926)

The new materialism : dictatorial scientific utterances and the decline of thought - Beale, Lionel S. (Lionel Smith), 1828 -1906 (E. Stanford, 1890)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1904)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1905)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1907)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1912)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1913)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1915)

New species of Melyridae, Chrysomelidae and Tenebrionidae (Coleoptera) from the Pacific coast, with notes on other species - Blaisdell, Frank E. (Frank Ellsworth), 1862 -1946 (The University, 1921)

The New Zealand journal of science and technology - New Zealand. Board of Science; Art. (New Zealand Board of Science and Art, 1918)

News letter. bulletin no. 7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1952)

News letter - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1950)

News letter : available Douglas fir seed - by lot numbers, certified maningseed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1954)

News letter : West Coast forest tree seeds collected annually - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Manning Seed Company, 1954)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1974)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1987)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1988)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1990)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1904)

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

The North American cup-fungi (operculates) - Seaver, Fred Jay, 1877 -1970 (The author, 1942)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

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)

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

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 American trees : guide to Charles F. Millspaugh Hall - Field Museum of Natural History. (1934)

Note on fossil woods and other plant remains, from the Cretaceous and Laramie formations of the western territories of Canada - Dawson, J. W., (John William), 1820 -1899 (s.n, 1887)

Notes on the mosquitoes of the United States : giving some account of their structure and biology, with remarks of remedies - Howard, L. O. (Leland Ossian), 1857 -1950 (Government Printing Office, 1900)

Notices sur des plantes utiles ou intéressantes de la flore du Congo - Wildeman, E. de (Emile), 1866 -1947 (Impr. Veuve Monnom, 1903)

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

Nouvelles contributions à la flore mésozoïque - Choffat, Paul, 1849 -1919 (Direction des travaux géologiques du Portugal : Impr. de l'Académie royale des sciences, 1894)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1905)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2004)

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

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

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)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1905)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1972)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1976)

Occasional papers of the San Diego Society of Natural History - San Diego Society of Natural History. (San Diego Society of Natural History, 1961)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1986)

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)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1889)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1896)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1900)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1908)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1914)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1916)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1921)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1880)

Old Plymouth trails - Packard, Winthrop, 1862 -1943 (Small, Maynard & company, 1920)

Old Plymouth trails - Packard, Winthrop, 1862 -1943 (Small, Maynard, 1920)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University Press, 1945)

On the Cretaceous and Tertiary floras of British Columbia and the North-West Territory - Dawson, J. W., (John William), 1820 -1899 (1883)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

Opportunities for timber production in Hawaii - Pacific Southwest Forest; Range Experiment Station (Berkeley, Calif.) (U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1962)

Opuscula philolichenum (J. Lendemer, 2012)

Opuscula philolichenum (J. Lendemer, 2014)

Opuscula philolichenum (J. Lendemer, 2019)

Opuscula philolichenum (J. Lendemer, 2021)

Orchard & garden book, 1945 - Roeding, George Christian, 1868 -1928 (California Nursery Company, 1945)

Orchard & garden book, 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1946)

Orchard & garden book, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1947)

Orchard and garden book : 1865-1950, 85th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Seed Company, 1950)

Orchard and garden book, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1936)

The Orchid review (Orchid Review ltd.], 1915)

The Orchid world. A monthly illustrated journal entirely devoted to orchidology - Wilson, Gurney, 1878 - (Alabaster, Passmore & Sons, ltd., printers], 1914)

Orcutt Seed and Plant Company : trade price list 1889-1890 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Orcutt Seed and Plant Company, 1889)

[Order forms] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Woodlot Seed Co, 1958)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)

Organography of plants, especially of the archegoniatae and spermaphyta - Goebel, K. (Karl), 1855 -1932 (Clar. Press, 1900)

Oriental seeds, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oriental Seed Co, 1929)

The origin and evolution of life : on the theory of action, reaction and interaction of energy - Osborn, Henry Fairfield, 1857 -1935 (Scribner's, 1918)

Ornamental and fruit trees : illustrated descriptive catalog 1921-22 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Co, 1921)

Ornamental and fruit trees : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Co, 1921)

Ornamental nursery stock, broad leaved evergreen trees and plants, deciduous trees and shrubs, conifers, roses, bulbs, perennial and Alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beverly Hills Nurseries, 1929)

Ornamental trees, vines and shrubs : descriptive price list, February 15, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Del Amo Nurseries, 1938)

Ornamentals, fruit trees, roses : 1921-1922 - Roeding, George Christian, 1868 -1928 (California Nursery Co, 1921)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1908)

Our national parks - Muir, John, 1838 -1914 (Houghton, Mifflin and Company, 1901)

Our trees, how to know them : photographs form nature by Arthur I. Emerson, with a guide to their recognition at any season of the year and notes on their characteristics, distribution, and culture, by Clarence M. Weed - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott Company, 1918)

Our trees, how to know them; photographs from nature - Weed, Clarence Moores, 1864 -1947 (Lippincott, 1936)

Our trees, how to know them: photographs from nature by Arthur I. Emerson, with a guide to their recognition at any season of the year and notes on their characteristics, distribution, and culture - Weed, Clarence Moores, 1864 -1947 (J.B. Lippincott, 1918)

An outline of plant geography (The Macmillan company, 1926)

Outlines of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J. B. Lippincott company, 1893)

Outlines of forestry : or, The elementary principles underlying the science of forestry : being a series of primers of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J.B. Lippincott, 1893)

Outlines of forestry : or, The elementary principles underlying the science of forestry : being a series of primers of forestry - Houston, Edwin J. (Edwin James), 1847 -1914 (J. B. Lippincott, 1893)

Ownership and use of forest land in the Redwood-Douglas-fir subregion of California - Baker, Harold L. (California Forest and Range Experiment Station, 1954)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Oxford gardens. Based upon Daubeny's Popular guide to the physick garden of Oxford : with notes on the gardens of the colleges and on the University Park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker, 1912)

Pacific Northwest ecoclass codes for plant associations - Hall, Frederick C. (USDA, Forest Service, Pacific Northwest Region, 1988)

Pacific science - University of Hawaii. (University Press of Hawaii, 1954)