An analysis of Pennsylvania's forest resources - Powell, Douglas S. (United States Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1982)

Andorra - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1935)

Andorra 1886-1936, 50 years of nation wide service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1936)

Andorra 1886-1937, 51 years of nation wide service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1937)

Andorra : 1886-1938, 52 years of nation wide service - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, 1938)

Andorra, fall 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1926)

Andorra, fall 1927 and spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1927)

Andorra, fall 1928 and spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1928)

Andorra, fall 1929, spring 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1929)

Andorra, fall 1930, spring 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1930)

Andorra, fall 1932, spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1932)

Andorra spring 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries], 1920)

Andorra, spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1926)

Andorra, spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andorra Nurseries, Inc, 1927)

Animal and plant life in Oklahoma - Oklahoma Geological Survey. (1917)

Animal Ecology - Kendeigh, S. Charles (Samuel Charles), 1904 -1986 (Prentice-Hall, 1961)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1997)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 1999)

Annales de la science agronomique française et étrangère - Institut des recherches agronomiques. Association des anciens lves. (Berger-Levrault, 1908)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1902)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1911)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1915)

Annals of botany - Balfour, Isaac Bayley, 1853 -1922 (Academic Press [etc.], 1907)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1901)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1909)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1929)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1935)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1938)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1971)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press)

L'Année biologique - Fédération des sociétés françaises de sciences naturelles. Office central de faunistique. (Masson, 1917)

Annotated list of flowering plants and ferms of Point Pelee, Ont., and neighbouring districts - Geological Survey of Canada (Govt. Print. Bureau, 1914)

Annotated list of the ferns and flowering plants of New York state - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1924)

Annotated list of the flora of the Beltsville Agricultural Research Center, Beltsville, Maryland - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 2000)

Annotated list of the plants growing naturally at the National Arboretum - Freeman, O. M. (Oliver Myles), 1891 - ([U.S. G.P.O.], 1953)

Annual report - New York (State). Forest, Fish; Game Commission. (The Commission, 1910)

Annual report - New York State Museum. (University of the State of New York, 1902)

Annual report - New York State Museum. (University of the State of New York, 1905)

Annual report - New York State Museum. (University of the State of New York, 1907)

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

Annual report - New York State Museum. (University of the State of New York, 1914)

Annual report - New York State Museum. (University of the State of New York, 1915)

Annual report - Florida Geological Survey. (1914)

Annual report - Missouri Botanical Garden. (Board of Trustees, 1904)

Annual report of the architect of the United States capitol, for the fiscal year ending June 30, 1882 - Olmsted, Frederick Law, 1822 -1903 (G.P.O, 1882)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1891)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1953)

Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York - New York (State). Commissioners of Fisheries, Game; Forests. (The Commission, 1898)

Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York - New York (State). Commissioners of Fisheries, Game; Forests. (The Commission, 1897)

Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York - New York (State). Commissioners of Fisheries, Game; Forests. (The Commission, 1901)

Annual report of the Maine Agricultural Experiment Station - Maine Agricultural Experiment Station. (Maine State College, 1885)

Annual report of the Massachusetts State Board of Agriculture - Massachusetts. State Board of Agriculture. (Wright & Potter Printing Co., state printers, 1916)

Annual report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1903)

Annual report of the Michigan Academy of Science - Michigan Academy of Science. Council. (The Academy, 1917)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1902)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1909)

Annual report of the New Jersey State Museum - Smith, John Bernhard, 1858 -1912 (MacCrellish & Quigley, State Printers, 1910)

Annual report of the New Jersey State Museum : including a report of the Plants of Southern New Jersey, with especial reference to the Flora of the Pine Barrens and the geographic distribution of the species - Stone, Witmer. 1866 -1939 (MacCrellish & Quigley, 1910)

Annual report of the New York Zoological Society - New York Zoological Society. (The Society, 1904)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1903)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1904)

Annual report of the Ohio State Academy of Science - Ohio Academy of Science. (The Academy, 1908)

Annual report of the Park Department of the City of Cincinnati - Cincinnati (Ohio). Park Department. (Commercial Gazette Job Print, 1906)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1892)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1895)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1898)

Annual report of the Regents - New York State Museum. (J.B. Lyon, State Printer, 1899)

Annual report of the Secretary of the Connecticut Board of Agriculture - Connecticut Agricultural Experiment Station. (The Board, 1901)

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan - Michigan State College. Agricultural Experiment Station. (The Board, 1862)

Annual report of the State Botanist of the State of New York - Peck, Charles H. (Charles Horton), 1833 -1917 (Troy Press, 1888)

Annual report of the State Horticultural Society of Missouri - Missouri State Horticultural Society. (The Society, 1895)

Annual report ... - Vermont State Horticultural Society. (The Board, 1900)

Annual wholesale price list, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1936)

Annual wholesale price list, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1937)

Annual wholesale price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1938)

Annual wholesale price list of the Fraser Nursery Company Incorporated. for nurserymen and dealers only. Fall 1918 spring 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fraser Nursery Company Incorporated, 1918)

Annual wholesale trade list, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Profile Collecting Company, 1935)

The Anthracite Forest Region, a problem area - Ineson, Frank A. (Frank Avery), 1902 - (U.S. Dept. of Agriculture, 1948)

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

Aquatic and wetland plants of southwestern United States - Correll, Donovan Stewart, 1908 -1983 (Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972)

An arboreal guide of scarborough pond - Hay, Ida 1948 - (1981)

An arboreal guide of the wilderness - Hay, Ida 1948 - (1979)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1940)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1943)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1948)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1949)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1950)

The Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) ([University of Washington, 1953)

Arboretum et fruticetum britannicum, or : The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described ... - Loudon, J. C. (John Claudius), 1783 -1843 (J.C. Loudon, 1844)

Arboretum et fruticetum Britannicum, or : the trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described : with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape gardening : preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for the author, and sold by Longman, Orme, Brown, Green, and Longmans, 1838)

Arboretum et fruticetum britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Henry G. Bohn, 1854)

Arboretum et fruticetum Britannicum; or, the trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates. Throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (The Author, Longman, 1844)

Arboretum et fruticetum britannicum, or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described ; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening ; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for the author, and sold by Longman, Brown, Green, and Longmans, 1844)

Arbustrum Americanum : The American grove, or, An alphabetical catalogue of forest trees and shrubs, natives of the American United States, arranged according to the Linnaean system : containing, the particular distinguishing characters of each genus, with plain, simple and familiar descriptions of the manner of growth, appearance, &c. of their several species and varieties. : Also, some hints of their uses in medicine, dyes, and domestic oeconomy - Marshall, Humphry, 1722 -1801 (Printed by Joseph Crukshank, in Market-Street, between Second and Third-Streets, 1785)

Arbustrum americanum: the American grove, or, An alphabetical catalogue of forest trees and shrubs, natives of the American United States, arranged according to the Linnaean system. Containing, the particular distinguishing characters of each genus, with plain, simple and familiar descriptions of the manner of growth, appearance, &c. of their several species and varieties. Also, some hints of their uses in medicine, dyes, and domestic oeconomy - Marshall, Humphry, 1722 -1801 (Printed by J. Crukshank, 1785)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1861)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1916)

Archiv für Naturgeschichte (Nicolai, 1905)

Aristocrats for spring planting : better plants for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1932)

Aristocrats for the garden, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Harlan P. Kelsey, Inc, 1932)

Aristocrats of the garden - Wilson, Ernest Henry, 1876 -1930 (Doubleday, Page & company, 1917)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1944)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1947)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1951)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1953)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1954)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1956)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1961)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1967)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1969)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1941)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1971)