Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

Natural history of New York (D. Appleton, 1842)

Natural history of the king rail - Meanley, Brooke (Bureau of Sport Fisheries and Wildlife, 1969)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Pub. by the Canadian institute, 1913)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Canadian Institute, 1913)

The Natural history of the Toronto Region, Ontario, Canada - Faull, J. H. (Joseph Horace), 1870 -1961 (Canadian Institute, 1913)

Natural vegetation: Grassland and desert shrub - United States. Department of Agriculture. (Govt. Print. Off, 1924)

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (University of Chicago Press, 1922)

A naturalist in the Great Lakes region - Downing, Elliot Rowland, 1868 -1944 (The University of Chicago Press, 1922)

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

Nature notes : the Selborne Society's magazine - Selborne Society. (H. Sotheran, 1906)

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

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1911)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1942)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1941)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1956)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1915)

The New England Nurseries Company [catalog], Bedford, Massachusetts - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1916)

The New England Nurseries, Incorporated : hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1912)

New England trees & plants 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, Incorporated, 1910)

New England trees in winter - Blakeslee, Albert Francis, 1874 -1954 (Storrs Agricultural Experiment Station, 1911)

New Jersey insects - Smith, John Bernhard, 1858 -1912 (s.n, 1909)

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

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1917)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1925)

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

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1996)

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

NOAA technical report NMFS CIRC - United States. National Marine Fisheries Service. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, 1973)

Nomenclator botanicus; enumerans ordine alphabetico nomina atque synonyma tum generica tum specifica et a Linnaeo et recentrioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (sumtibus I.G. Cottae, 1821)

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, 1841)

The North America 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 - Smith, J. Jay 1798 -1881 (W.M. Rutter, 1865)

North American birds - National Audubon Society. (American Birding Association in alliance with the National Audubon Society, 2003)

North American Cerambycid larvæ : a classification and the biology of North American Cerambycid larvæ - Canada. Department of Agriculture. (Published by direction of the ... Minister of Agriculture, 1923)

North American cerambycid larvae : a classification and the biology of North American cerambycid larvae - Craighead, Frank C. (Frank Cooper), 1890 -1982 (Dept. of Agriculuture, 1923)

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

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)

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 fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1947)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1958)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1968)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1969)

North American flora - New York Botanical Garden (New York Botanical Garden, 1922)

North American flora - New York Botanical Garden (New York Botanical Garden, 1944)

North American native terrestrial orchids : propagation and production : conference proceedings, March 16 & 17, 1996, [held at the National Arboretum, Washington, D.C) - Allen, Carol (North American Native Terrestrial Orchid Conference, 1996)

North American Phylloxerinae affecting Hicoria (Carya) and other trees - Pergande, Theodore, 1840 -1916 (Published from the income of the Putnam memorial fund, 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 ... - Nuttall, Thomas, 1786 -1859 (Rice, Rutter & co, 1865)

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 colored engravings - Nuttall, Thomas, 1786 -1859 (Published by Rice, Rutter & Co. No. 525 Minor Street, 1865)

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)

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

Northwest Ornamental Horticultural Society newsletter - Northwest Horticultural Society. (Northwest Ornamental Horticultural Society, 1974)

Nossas florestas - Heisley, Marie Foote, 1888 - (U.S. Dept. of Agriculture, 1940)

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)

Notes on the spring flora of southwestern Virginia - Hogg, Thomas, 1771 -1841 (s.n, 1890)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1917)

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

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

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

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2001)

Noxious Weed Trust Fund programmatic environmental impact statement : draft - Montana. Agricultural; Biological Sciences Division. (Montana Dept. of Agriculture, Agricultural and Biological Sciences Division, 1991)

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

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

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 : price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westminster Nurseries, 1943)

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 - 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, 1947)

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

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

Observations on the colors of flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony & Sons, 1899)

Occasional papers of the Museum of Zoology, University of Michigan - University of Michigan. Museum of Zoology. (University of Michigan, 1922)

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

Offer No. 31 : March 9th, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer No. 32 : April 1st, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer No. 34 : June 1st, 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. 61 : January, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, inc, 1931)

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)

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, 1906)

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, 1909)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1901)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1902)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1897)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1899)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1900)

Old Colony Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Old Colony Nurseries, 1903)

Old friends and new catalogue : trees, flowers, fruits fall, 1920 and winter, 1920-1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hicks Nurseries, 1920)

On the Coleoptera known to occur in Indiana - Blatchley, W. S. (Willis Stanley), 1859 -1940 (W.B. Burford, contractor for state printing, 1910)

The Ontario natural science bulletin - Wellington Field Naturalists' Club. (Wellington Field Naturalists' Club, 1912)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1915)

The Oölogist for the student of birds, their nests and eggs - Lattin, Frank H. (Frank H. Lattin, 1916)

Ornamental trees & plants : no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Maple Avenue Nurseries, 1901)

Ornamental trees, and shrubs : spring 1952 list no. 2 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas B. Meehan Co., Inc, 1952)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H.W. Rokker, printer, 1889)

The ornithology of Illinois - Ridgway, Robert, 1850 -1929 (H. W. Rokker, printer, 1889)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1902)

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

Our forests and the timbers they contain - Dodson, W. R. (William Rufus), 1867 -1951 (American printing co., ltd, 1904)

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)