Books in Category: Environmental Issues
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Animals' Rights Considered in Relation to Social Progress
Henry S. Salt
605 downloads
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Cuba Past and Present
Richard Davey
604 downloads
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Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910
United States. National Conservation Congress
600 downloads
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A Report on Washington Territory
William Henry Ruffner
594 downloads
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Abessinien, das Alpenland unter den Tropen und seine Grenzländer (German)
Richard Andree
591 downloads
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Hertfordshire
Herbert W. Tompkins
590 downloads
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One Hundred Years in Yosemite: The Story of a Great Park and Its Friends
Carl Parcher Russell
589 downloads
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The Geographical Distribution of Animals, Volume 2
Alfred Russel Wallace
586 downloads
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Historia natural y moral de las Indias (vol. 1 of 2) (Spanish)
José de Acosta
586 downloads
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Village Improvements and Farm Villages
George E. Waring
583 downloads
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The Argentine Republic: Its Development and Progress
Pierre Denis
580 downloads
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Bird-Lore, March-April 1916
Various
579 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2)
Alexander von Humboldt
571 downloads
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Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition)
Clough Williams-Ellis
570 downloads
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The Yellowstone National Park: Historical and Descriptive
Hiram Martin Chittenden
569 downloads
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Hygiene: a manual of personal and public health (New Edition)
Sir Arthur Newsholme
568 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
Alexander von Humboldt and Aimé Bonpland
567 downloads
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The Lobster Fishery of Maine
John N. Cobb
561 downloads
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The filtration of public water-supplies
Allen Hazen
546 downloads
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The Healthy Life, Vol. V, Nos. 24-28
Various
540 downloads
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The Polar World
G. Hartwig
539 downloads
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Wild Animals of North America
Edward William Nelson
536 downloads
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Oudewater en omtrek, Geologisch, Mythologisch en Geschiedkundig Geschetst (Dutch)
Willem Cornelis van Zijll
536 downloads
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Common trees of Pennsylvania
Joseph E. Ibberson, A. B. Mickalitis, J. E. Aughenbaugh, and C. L. Morris
523 downloads
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Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2
H. B. Guppy
517 downloads
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