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Chlorination of Water
Joseph Race
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The Extermination of the American Bison
William T. Hornaday
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Sequoia [California] National Park
United States. Department of the Interior
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Man and Nature; Or, Physical Geography as Modified by Human Action
George P. Marsh
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Talks About Flowers.
Mrs. M. D. Wellcome
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The Lobster Fishery of Maine
John N. Cobb
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The Fight for Conservation
Gifford Pinchot
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Deserts: Geology and Resources
A. S. Walker
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Our Vanishing Wild Life: Its Extermination and Preservation
William T. Hornaday
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Rural Hygiene
Henry N. Ogden
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A Brief History of Forestry.
B. E. Fernow
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Asbestos, Its production and use
Robert H. Jones
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIII, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
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Old-Time Gardens, Newly Set Forth
Alice Morse Earle
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The Wild Garden
W. Robinson
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Animal Sanctuaries in Labrador
William Wood
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Atoms, Nature, and Man: Man-made Radioactivity in the Environment
Neal O. Hines
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Hygiene: a manual of personal and public health (New Edition)
Sir Arthur Newsholme
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Civics and Health
William H. Allen
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Conservation Through Engineering
Franklin K. Lane
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band X, Heft 4-6 : Monatsschrift für Heimatschutz und Denkmalpflege (German)
Landesverein Sächsischer Heimatschutz
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Handbook of Medical Entomology
William A. Riley and O. A. Johannsen
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Report to Her Majesty's Principal Secretary of State For the Home Department, from the Poor Law Commissioners, on an Inquiry Into the Sanitary Condition of the Labouring Population of Great Britain; With Appendices
Edwin Chadwick
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Worldwide Effects of Nuclear War: Some Perspectives
United States. Arms Control and Disarmament Agency
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Insects and Diseases
Rennie Wilbur Doane
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