Books in Category: Environmental Issues
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Whales, dolphins, and porpoises of the western North Atlantic : a guide to their identification
Stephen Leatherwood, David K. Caldwell, and Howard Elliott Winn
1116 downloads
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Our National Parks
John Muir
1022 downloads
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Mutual Aid: A Factor of Evolution
kniaz Petr Alekseevich Kropotkin
1021 downloads
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Whale hunting with gun and camera
Roy Chapman Andrews
974 downloads
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Mount Everest, the Reconnaissance, 1921
Charles Howard-Bury, George Mallory, and A. F. R. Wollaston
968 downloads
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The Development of the Feeling for Nature in the Middle Ages and Modern Times
Alfred Biese
948 downloads
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The Malay Archipelago, Volume 2
Alfred Russel Wallace
940 downloads
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Sketches of the Natural History of Ceylon
Sir James Emerson Tennent
932 downloads
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Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Henry S. Fitch
920 downloads
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Ceylon; an Account of the Island Physical, Historical, and
Sir James Emerson Tennent
909 downloads
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American Weasels
E. Raymond Hall
906 downloads
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The Shores of the Adriatic
F. Hamilton Jackson
886 downloads
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Ukraine, the land and its people : an introduction to its geography
Stepan Rudnytskyi
882 downloads
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The Rivers of Great Britain, Descriptive, Historical, Pictorial: Rivers of the South and West Coasts
Various
878 downloads
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
878 downloads
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Exploration of the Valley of the Amazon, Part 1 (of 2)
William Lewis Herndon and Lardner Gibbon
876 downloads
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
875 downloads
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Farmers of Forty Centuries; Or, Permanent Agriculture in China, Korea, and Japan
F. H. King
868 downloads
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Great Disasters and Horrors in the World's History
Allen Howard Godbey
854 downloads
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The Natural History of Selborne
Gilbert White
834 downloads
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The Naturalist in La Plata
W. H. Hudson
810 downloads
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Your National Parks, with Detailed Information for Tourists
Enos A. Mills and Laurence Frederick Schmeckebier
803 downloads
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Men of the Old Stone Age: Their Environment, Life and Art
Henry Fairfield Osborn
798 downloads
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Bird Day; How to prepare for it
Charles Almanzo Babcock
789 downloads
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A Brief History of Forestry.
B. E. Fernow
786 downloads