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
1217 downloads
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Forest Trees of Texas: How to Know Them
Wilbur R. Mattoon and C. B. Webster
1214 downloads
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Rural Rides
William Cobbett
1202 downloads
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Conservation Reader
Harold W. Fairbanks
1187 downloads
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The Earth and its inhabitants, Volume 1: Europe.
Elisée Reclus
1186 downloads
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Sketches of the Natural History of Ceylon
Sir James Emerson Tennent
1170 downloads
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The Columbia River: Its History, Its Myths, Its Scenery, Its Commerce
William Denison Lyman
1133 downloads
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Conservation of marine birds of northern North America:
1110 downloads
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The National Geographic Magazine, Vol. III. (Complete), 1891
Various
1097 downloads
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Ceylon; an Account of the Island Physical, Historical, and
Sir James Emerson Tennent
1087 downloads
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The Development of the Feeling for Nature in the Middle Ages and Modern Times
Alfred Biese
1079 downloads
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The Polar World
G. Hartwig
1068 downloads
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The Natural History of Selborne
Gilbert White
1068 downloads
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Farmers of Forty Centuries; Or, Permanent Agriculture in China, Korea, and Japan
F. H. King
1040 downloads
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Mother Earth, Vol. 1 No. 1, March 1906
Various
1025 downloads
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The Storm-Cloud of the Nineteenth Century
John Ruskin
1013 downloads
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Your National Parks, with Detailed Information for Tourists
Enos A. Mills and Laurence Frederick Schmeckebier
1007 downloads
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Hygiene: a manual of personal and public health (New Edition)
Sir Arthur Newsholme
1000 downloads
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Missions au Sahara, tome 1 : Sahara algérien (French)
E. F. Gautier
1000 downloads
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Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2
H. B. Guppy
995 downloads
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Ukraine, the land and its people : an introduction to its geography
Stepan Rudnytskyi
983 downloads
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Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus
Henry S. Fitch
979 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
Alexander von Humboldt and Aimé Bonpland
976 downloads
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African Nature Notes and Reminiscences
Frederick Courteney Selous
971 downloads
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Mosaic of New Mexico's Scenery, Rocks, and History
963 downloads