Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1904)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1891)

Nature notes : the Selborne Society's magazine - Selborne Society. (H. Sotheran, 1898)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Die Naturwissenschaften - Gesellschaft Deutscher Naturforscher und Ärzte. (Springer-Verlag, 1913)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1909)

Nectar and pollen producing plants, shrubs, and trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nicollet County Nursery, 1948)

Nectar and pollen producing plants, shrubs, and trees for your bee pasture - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nicollet County Nursery, 1950)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1899)

A net volume equation for Indiana - North Central Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, 1982)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1850)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1890)

The new American orchardist; or, An account of the most valuable varieties of fruit, adapted to cultivation in the climate of the United States, from the latitude of 25 [degrees] to 54 [degrees], with their uses, modes of culture, and management; remedies for the maladies to which they are subject, from noxious insects, and other causes, &c. Also, a brief description of the most ornamental forest trees, shrubs, flowers, &c - Kenrick, William, 1789 -1872 (Carter, Hendee, 1833)

The new American orchardist; or, An account of the most valuable varieties of fruit, of all climates, adapted to cultivation in the United States, with their history, modes of culture, management, uses, &c., and the culture of silk. With an appendix on vegetables, ornamental trees, shrubs and flowers - Kenrick, William, 1789 -1872 (Russell, Odiorne, and Metcalf, 1835)

New manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada, rearr. and extensively rev. by Benjamin Lincoln Robinson and Merritt Lyndon Fernald - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1942)

New York State : state floras - Gray, Asa, 1810 -1888 (various publishers, 1814)

Newer, better fruits sold only by Stark Bro's - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stark Bro's, 1933)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1994)

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)

Die Nord-Amerikanische Vogelwelt - Ridgway, Robert, 1850 -1929 (G. Brumder, 1889)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1904)

The North American sylva, or A description of the forest trees of the United States, Canada and Nova Scotia considered particularly with respect to their use in the arts, and their introduction into commerce : to which is added a description of the most useful of the European forest trees : illustrated by 156 coloured engravings - Michaux, François-André, 1770 -1855 (Printed by C. d'Hautel, 1819)

The North American sylva, or, A description of the forest trees of the United States, Canada, and Nova Scotia considered particularly with respect to their use in the arts and their introduction into commerce : to which is added a description of the most useful of the European forest trees : illustrated by 156 coloured engravings - Smith, J. Jay 1798 -1881 (R.P. Smith, 1851)

The North American sylva; or A description of the forest trees of the United States, Canada, and Nova Scotia, : considered particularly in respect to their use in the arts, and their introduction into commerce; to which is added a description of the most useful of the European forest trees. Illustrated by 156 coloured copperplate engravings, by Redoute, Bessa, etc - Nuttall, Thomas, 1786 -1859 (Robert P. Smith, Philadelphia, 1853)

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

North Carolina forest resources and industries - Cruikshank, James W. (U.S. Dept. of Agriculture, 1944)

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)

Notes on the distribution of Pennsylvania plants : based on specimens in the Carnegie Museum of Natural History herbarium - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1989)

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

Nouveau traité des plantes usuelles, spécialement appliqué a la médecine domestique, et au régime alimentaire de l'homme sain ou malade - Roques, Joseph, 1772 -1850 (P. Dufart, 1837)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1880)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1893)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1847)

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)

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

Nursery practice for trees and shrubs suitable for planting on the prairie-plains - Engstrom, H. E. (Harold Edwin), 1909 - (U.S. Dept. of Agriculture, 1941)

[Nursery stock brokerage list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

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, 1943)

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 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1938)

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 Nurseries, 1940)

Nut trees : plant nut trees that bear - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. F. Jones Nurseries, 1936)

Nut trees : plant nut trees that bear, buy direct from the grower - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.F. Jones Nurseries, 1937)

Occasional papers - Texas Tech University. Museum, (The Museum, 1975)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1859)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1877)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1906)

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

Offer #11 : Sept. 12th, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1928)

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

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1894)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2017)

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, 1919)

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, 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, 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, 1912)

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

Opuscula philolichenum (J. Lendemer, 2020)

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)

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

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 (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 (K. Paul, Trench, 1884)

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

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

Ornamental and fruit tree catalogue : 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Leonard Coates Nurseries, 1926)

Ornamental gardening in Florida - Simpson, Charles Torrey, 1846 -1932 (The author, 1916)

Ornamental trees and plants for home grounds and other landscape gardening, fruit trees for commercial orchards and home gardens : No. 127 price list, fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons & Co, 1927)

Ornithological biography, or an account of the habits of the birds of the United States of America ; accompanied by descriptions of the objects represented in the work entitled The Birds of America, and interspersed with delineations of American scenery and manners - Audubon, John James, 1785 -1851 (Adam Black, 1831)

The Orthoptera of Indiana : an illustrated descriptive catalogue of the species known to occur in the state, with bibliography, synonymy and descriptions of new species - Blatchley, W. S. (Willis Stanley), 1859 -1940 ([Indiana Dept. of Geology and Natural Resources, 1903)

Ouachita National Forest, Arkansas-Oklahoma - United States. Forest Service. Southern Region. (U.S. Govt. Print. Off, 1937)

Our native trees and how to identify them : a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1900)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1912)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1913)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1917)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (C. Scribner's Sons, 1910)

Our native trees and how to identify them; a popular study of their habits and their peculiarities - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (Scribner, 1902)

Our trees. A popular account of the trees in the streets and gardens of Salem, and of the native trees of Essex County, Massachusetts, with the location of trees, and historical and botanical notes - Robinson, John, 1846 -1925 (Printed by N. A. Horton and Son, 1891)

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

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)

Die palaeobotanische Literatur : bibliographische Übersicht über die Arbeiten aus dem Gebiete der Palaeobotanik - Jongmans, W. (Willem), 1878 -1957 (Fischer, 1913)

Pamphlets on forest utilization (1900)

Pamphlets on forestry in California (1900)

Pamphlets on forestry in Maryland (1900)

Pamphlets on forestry in Nebraska (1900)

Pamphlets on forestry in North Carolina (1900)

Pamphlets on forestry in Pennsylvania (1900)

Pamphlets on forestry in Tennessee (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1986)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1909)

The Pennsylvania farm journal (A.M. Spangler, 1851)