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Title
Date Archived
Creator
Topic: Trees -- Tennessee
State Library of Pennsylvania
Feb 13, 2019 Kentucky. Forestry Department
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Topic: Trees -- Kentucky
State Library of Pennsylvania
Feb 13, 2019 Dormon, Caroline
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Topics: Trees -- Characteristics and identification, Trees -- Louisiana
State Library of Pennsylvania
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Topic: Trees -- Michigan
State Library of Pennsylvania
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Topic: Trees -- Delaware
State Library of Pennsylvania
Feb 13, 2019 Illick, Joseph S. (Joseph Simon), 1884-1967
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Topics: Trees -- Indiana, Arbres -- Indiana
State Library of Pennsylvania
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Topics: Trees -- Massachusetts, Trees -- Identification
State Library of Pennsylvania
Feb 13, 2019 Kansas. State Board of Agriculture
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Topics: Trees -- Kansas, Arbres -- Kansas
State Library of Pennsylvania
Feb 13, 2019 Miller, Robert B. (Robert Barclay)
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Topics: Trees -- Illinois, Arbres -- Illinois
State Library of Pennsylvania
Feb 13, 2019 Lander, Cecil Howard, 1881-1949
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Topics: Coal, Combustion
State Library of Pennsylvania
Feb 13, 2019 Porter, Horace C. (Horace Chamberlain), 1876-1944
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Topics: Coal, Coke, Gas, Coal-tar products
Topic: Blasting
State Library of Pennsylvania
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Topics: Bituminous coal -- Congresses, Coal-tar products
State Library of Pennsylvania
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Topic: Bituminous coal -- Congresses
State Library of Pennsylvania
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Topic: Bituminous coal -- Congresses
Topics: Coal, Lignite, Hydrogenation, Motor fuels, Coal liquefaction
State Library of Pennsylvania
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Topics: Anthracite coal, Coal -- Testing, Water-gas
State Library of Pennsylvania
Feb 13, 2019 United States Brewers' Association
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Topics: Brewing industry -- United States -- Congresses, United States Brewers' Association -- Congresses
State Library of Pennsylvania
Feb 13, 2019 United States Brewers' Association
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Topics: Brewing industry -- United States -- Congresses, United States Brewers' Association -- Congresses
Topics: Plants -- Effect of sulfur dioxide on, Consolidated Mining & Smelting Co. of Canada, Ltd.
State Library of Pennsylvania
Feb 13, 2019 Pennsylvania State College. Agricultural Extension Service, corporate author
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Topics: Agriculture -- Pennsylvania, Agricultural extension work
State Library of Pennsylvania
Feb 13, 2019 Pennsylvania State College. Agricultural Extension Service, corporate author
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Topics: Agriculture -- Pennsylvania, Agricultural extension work
State Library of Pennsylvania
Feb 13, 2019 Pennsylvania State College. Agricultural Extension Service, corporate author
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Topics: Agriculture -- Pennsylvania, Agricultural extension work
State Library of Pennsylvania
Feb 13, 2019
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Topics: United States. -- War Department. -- Spruce Production Division, World War, 1914-1918 -- Oregon --...
State Library of Pennsylvania
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Topics: Wood, Timber -- North America, Timber -- United States, Timber -- Canada, Trees -- North American,...
State Library of Pennsylvania
Feb 13, 2019 McAtee, W. L. (Waldo Lee), 1883-1962, author
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Topics: Birds, Insect pests, Animal behavior
State Library of Pennsylvania
Feb 13, 2019 Peirson, Henry Byron, 1894-, author
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Topics: Insects -- New England, Trees -- Diseases and pests
State Library of Pennsylvania
Feb 13, 2019 Bailey, Harold L., author
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Topics: Trees -- Diseases and pests -- Vermont, Insect pests -- Vermont -- Identification, Insect pests --...
Topics: Gypsy moth -- New York (State), European corn borer -- New York (State), Insect pests -- New York...
State Library of Pennsylvania
Feb 13, 2019 Graham, Samuel A. (Samuel Alexander), 1891-1967, author
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Topics: White pine -- Diseases and pests, White pine weevil
State Library of Pennsylvania
Feb 13, 2019
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Topics: Parks -- Iowa -- Periodicals, Natural history -- Iowa -- Periodicals
Topic: West Virginia -- Description and travel
Topics: Parks -- New York (State), Parkways -- New York (State)
State Library of Pennsylvania
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Topics: Forest products -- Connecticut, Forests and forestry -- Economic aspects -- Connecticut, Parks --...
State Library of Pennsylvania
Feb 13, 2019 House, Homer D. (Homer Doliver), 1878-1949
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Topic: Woody plants -- North Carolina
State Library of Pennsylvania
Feb 13, 2019
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Topics: Teenagers -- Alcohol use -- Comic books, strips, etc., Peer pressure in adolescence -- Comic books,...
State Library of Pennsylvania
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Topic: Forests and forestry -- Denmark
State Library of Pennsylvania
Feb 13, 2019 Canadian Peat Society
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Topic: Peat -- Societies, etc.
State Library of Pennsylvania
Feb 13, 2019 Canadian Peat Society
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Topic: Peat -- Societies, etc.
State Library of Pennsylvania
Feb 13, 2019 Canadian Peat Society
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Topic: Peat -- Societies, etc.
State Library of Pennsylvania
Feb 13, 2019 Canadian Peat Society
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Topic: Peat -- Societies, etc.
State Library of Pennsylvania
Feb 13, 2019 Dunn, John Thomas, 1858-
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Topics: Coal, Pulverized, Fuels, Colloidal
State Library of Pennsylvania
Feb 13, 2019 Gentry, Franklin Marion, 1898-
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Topic: Carbonization
State Library of Pennsylvania
Feb 13, 2019 Goodrich, W. Francis (Walter Francis)
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Topic: Fuel
State Library of Pennsylvania
Feb 13, 2019 Harvey, Leonard C. (Leonard Charles), 1877-
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Topics: Fuel, Coal, Pulverized, Fuel, Colloidal, Combustion
State Library of Pennsylvania
Feb 13, 2019 Haslam, Robert T. (Robert Thomas), 1888-
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Topics: Fuel, Combustion
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
State Library of Pennsylvania
Feb 13, 2019 American Peat Society
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Topics: Peat -- Periodicals, Caustobioliths -- Periodicals, Energy minerals -- Periodicals, Fuel --...
Topics: Nitrocellulose, Cellulose
Topics: Nitrocellulose, Cellulose
Topics: Arbor Day -- South Dakota, Bird Day
State Library of Pennsylvania
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Topics: Forests and forestry -- Sweden, Forests and forestry -- Scandinavia, Forests and forestry -- United...
State Library of Pennsylvania
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Topics: Forestry engineering, Forests and forestry -- Tropics
State Library of Pennsylvania
Feb 13, 2019
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Topic: Parks -- New York (State)
State Library of Pennsylvania
Feb 13, 2019 Mell, Clayton D. (Clayton Dissinger), 1875-, author
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Topic: Plant names, Popular -- Pennsylvania German dialect
Topics: Forestry law and legislation -- Great Britain, Forestry law and legislation -- Ireland, Trespass --...
State Library of Pennsylvania
Feb 13, 2019 Storer, John H. (John Humphries), 1888-
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Topic: Birds -- Flight
State Library of Pennsylvania
Feb 13, 2019 Turner, E. L. (Emma Louisa)
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Topics: Birds -- England, Oiseaux -- Angleterre -- Broads
State Library of Pennsylvania
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Topic: Birds -- Pennsylvania -- Crawford County
State Library of Pennsylvania
Feb 13, 2019 Grim, James S.
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Topics: Animals -- Identification -- Handbooks, manuals, etc., Kutztown State Teachers College -- Curricula
State Library of Pennsylvania
Feb 13, 2019 Hornaday, William T. (William Temple), 1854-1937
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Topics: Animal behavior, Hunting
State Library of Pennsylvania
Feb 13, 2019 Horsfall, R. Bruce (Robert Bruce), 1869-1948
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Topics: Birds -- Pictorial works, Zoological illustration, Natural history -- Pictorial works, Animals in...
State Library of Pennsylvania
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Topic: Philadelphia High School for Girls (Philadelphia, Pa.)
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
Topic: Science -- Periodicals
State Library of Pennsylvania
Feb 13, 2019 Princeton Bicentennial Conference on the Future of Nuclear Science (1946 : Princeton University)
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Topic: Science -- Congresses
State Library of Pennsylvania
Feb 13, 2019 Russell, Bertrand, 1872-1970
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Topics: Science, Science and state, Civilization
State Library of Pennsylvania
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Topic: Science -- History
State Library of Pennsylvania
Feb 13, 2019
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Topics: Marijuana abuse -- Childhood and youth -- Comic books, strips, etc., Peer pressure in adolescence...
State Library of Pennsylvania
Feb 13, 2019
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Topics: Tobacco use -- Childhood and youth -- Comic books, strips, etc., Peer pressure in adolescence --...
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
Feb 13, 2019
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
Feb 13, 2019
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals
State Library of Pennsylvania
Feb 13, 2019
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Topics: Education -- Periodicals, Education -- Pennsylvania -- Periodicals