Monograph of the bombycine moths of North America, including their transformations and origin of the larval markings and armature - Packard, A. S. (Alpheus Spring), 1839 -1905 (Govt. Print. Off, 1914)

A monograph of the Erysiphaceae - Salmon, Ernest Stanley. (Torrey Botanical Club], 1900)

Monographie der Mistel - Neckel, Gustav, 1878 -1940 (Oldenbourg, 1923)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1882)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1941)

Moon's hardy trees and plants for every place and purpose : 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1909)

Moon's hardy trees and plants for every place and purpose : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose : 20% discount from these prices for fall 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1930)

Moon's hardy trees and plants for every place and purpose 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1921)

Moon's plants for every place & purpose, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1928)

Moons' Nurseries : hardy trees and plants for every place and purpose 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company], 1920)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1957)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1963)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1967)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1973)

Morrisville Nursery ornamental trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morrisville Nurseries, 1905)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1910)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1911)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Mt. Hope Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1917)

Museum bulletin - New York State Museum. (University of the State of New York, 1908)

Mutations and evolution - Gates, R. Ruggles (Reginald Ruggles), 1882 -1962 (W. Wesley & Son, 1921)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1919)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1920)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1913)

Mycotrophy in plants; lectures on the biology of mycorrhizae and related structures - Kelley, Arthur Pierson, 1897 -1979 (Chronica Botanica Co, 1950)

A narrative history of the town of Cohasset, Massachusetts - Bigelow, E. Victor (Edwin Victor), 1866 -1929 (Press of S. Usher], 1898)

Narrative of a voyage round the world : performed in Her Majesty's ship Sulphur, during the years 1836-1842, including details of the naval operations in China, from Dec. 1840, to Nov. 1841 ; published under the authority of the lords commissioners of the Admiralty - Belcher, Edward, Sir, 1799 -1877 (Henry Colburn, 1843)

Narrative of a voyage round the world performed in Her Majesty's ship Sulphur, during the years 1836-1842, including details of the naval operations in China, from Dec. 1840 to Nov. 1841 - Belcher, Edward, Sir, 1799 -1877 (H. Colburn, 1843)

National forests in the southern Appalachians - United States. Forest Service. (U.S. Govt. Print. Off, 1940)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1909)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1921)

Native broad-leaved evergreens for immediate effect : fall, 1932-spring, 1933 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

The native flora of the vicinity of Cold Spring Harbor, L.I., New York - Grier, Norman McDowell 1890 -1951 (1925)

The native forests of Cuyahoga County, Ohio - Williams, Arthur B. (Arthur Baldwin), 1874 - (Cleveland Museum of Natural History, 1949)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1937)

Native trees of Canada - Canada. Forestry Branch. (Dept. of the Interior, 1917)

Native trees of Canada - Canada. Forestry Branch. (Minister of the Interior, 1917)

Native trees of Canada - Canada. Forestry Branch. (Dept. of the Interior, Forestry Branch, 1921)

Native trees of Kentucky; a handbook, [Ed. of Kentucky Federation of Women's Clubs] - Maury, Sarah Webb, 1861 - (1910)

Native trees of Rhode Island - Russell, Levi W. (Levi Ward) (E.L. Freeman, 1900)

Native trees, shrubs and woody vines growing in Granby, Conn. and vicinity - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1922)

Native trees, shrubs and woody vines growing in Granby, Conn., and vicinity [list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Irving Holcomb], 1925)

Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Natural history - American Museum of Natural History (American Museum of Natural History, 1981)

The natural history and topography of Groton, Massachusetts - Green, Samuel A. (Samuel Abbott), 1830 -1918 (J. Wilson and Son], 1912)

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 New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1848)

Natural period characteristics of selected tree species - United States. Forest Service. (United States Department of Agriculture, Forest Service, 1956)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1871)

Die Naturalisation ausländischer Waldbäume in Deutschland - Booth, John, 1836 -1909 (J. Springer, 1882)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1928)

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

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1877)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1884)

A nature calendar; a record of the appearance of the flowers and birds - Thompson, Thomas Edward (The Morse Company, 1896)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1906)

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)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1903)

Neudammer Försterlehrbuch; ein Leitfaden für Unterrich und Praxis sowie ein Handbuch für den Privatwaldbesitzer. Bearb. von A. Schwappach [et al.] - Schwappach, Adam Friedrich, 1851 -1932 (J. Neumann, 1908)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1851)

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, 1888)

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

New or unusual plant injuries and diseases found in Connecticut, 1916-1919 - Clinton, G. P. (George Perkins), 1867 -1937 (Connecticut Agricultural Experiment Station, 1920)

New York State Forestry Exhibit at the World's Columbian Exposition, Chicago, 1893 (1893)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1921)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1920)

Newfoundland and its untrodden ways - Millais, John Guille, 1865 -1931 (Longmans, Green, and co, 1907)

Newfoundland and its untrodden ways - Millais, John Guille, 1865 -1931 (Longmans, 1907)

Nippon Shokubutsumeii : or nomenclature of Japanese plants in Latin, Japanese and Chinese - Matsumura, Jinzo, 1856 -1928 (Z.P. Maruya, 1884)

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)

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 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 fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1971)

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

North American flora - New York Botanical Garden (New York Botanical Garden, 1917)

North American Flora （vol.10 Part1-5） - Willtam Alphonso Murrill (THE NEW YORK BOTANTCAL GARDEN, 1914)

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

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 (G.P. Putnam, 1850)

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)

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)

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

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

Notes on the forests of Quebec - Quebec (Province). Department of Lands; Forests. (Telegraph Print. Co, 1923)

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

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. (1842)

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)

Nouveaux mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (La Société, 1860)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1870)

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, 1915)

Nützliche Bemerkungen für Garten- und Blumenfreunde - Albonico, Johann Heinrich. (G. Fleischer, 1795)

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

Nurseries in the shadow of the Black Mountain - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Houck, 1930)

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

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, 1893)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1915)

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

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