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The Evolution of the Conservation Movement, 1850-1920

Authors

Smythe, William Ellsworth, 1861-1922.
Sprinkle, William.
Taft, William Howard
Theodore Roosevelt Association Collection (Library of Congress)
Thompson, Almon Harris, 1839-1906.
Thoreau, Henry David, 1817-1862.
Thoreau, Sophia E., d. 1876, joint ed.
U.S. Congress. 37th. 2nd Session.
U.S. Congress. 38th. 1st Session.
U.S. Congress. 41st. 2nd Session.
U.S. Congress. 41st. 3rd Session.
U.S. Congress. 42nd. 2nd Session.
U.S. Congress. 42nd. 3rd Session.
U.S. Congress. 43rd. 2nd Session.
U.S. Congress. 44th. 1st Session.
U.S. Congress. 44th. 2nd Session.
U.S. Congress. 45th. 2nd Session.
U.S. Congress. 45th. 3rd Session.
U.S. Congress. 48th. 2nd Session.
U.S. Congress. 49th. 1st Session.
U.S. Congress. 49th. 2nd Session.
U.S. Congress. 50th. 1st Session.
U.S. Congress. 50th. 2nd Session.
U.S. Congress. 51st. 1st Session.
U.S. Congress. 51st. 2nd Session.
U.S. Congress. 52nd. 1st Session.
U.S. Congress. 52nd. 2nd Session.
U.S. Congress. 53rd. 2nd Session.
U.S. Congress. 54th. 1st Session.
U.S. Congress. 54th. 2nd Session.
U.S. Congress. 55th. 1st Session.
U.S. Congress. 55th. 2nd Session.
U.S. Congress. 55th. 3rd Session.
U.S. Congress. 56th. 1st Session.
U.S. Congress. 56th. 2nd Session.
U.S. Congress. 57th. 1st Session.
U.S. Congress. 57th. 2nd Session.
U.S. Congress. 58th. 2nd Session.
U.S. Congress. 58th. 3rd Session.
U.S. Congress. 59th. 1st Session.
U.S. Congress. 59th. 2nd Session.
U.S. Congress. 60th. 1st Session.
U.S. Congress. 60th. 2nd Session.
U.S. Congress. 61st. 1st Session.
U.S. Congress. 61st. 2nd Session.
U.S. Congress. 61st. 3rd Session.
U.S. Congress. 62nd. 2nd Session.
U.S. Congress. 62nd. 3rd Session.
U.S. Congress. 63rd. 1st Session.
U.S. Congress. 63rd. 2nd Session.
U.S. Congress. 63rd. 3rd Session.
U.S. Congress. 64th. 1st Session.
U.S. Congress. 64th. 2nd Session.
U.S. Congress. 65th. 2nd Session.
U.S. Congress. 65th. 3rd Session.
U.S. Congress. 66th. 1st Session.
U.S. Congress. 66th. 2nd Session.
United States. 60th Congress, 2d session, 1908-1909. House.
United States. Bureau of Reclamation.
United States. Cogress. House.
United States. Congress.
United States. Congress. House.
United States. Congress. House. Committee on public lands.
United States. Congress. Senate.
United States. Dept. of the interior.
United States. Geographical and geological survey of the Rocky mountain region.
United States. Library of Congress. Division of bibliography.
United States. President, 1901-1909 (Roosevelt)
United States. Public lands commission.
United States. Superintendent of the Yellowstone National Park.
Van Dyke, John Charles, 1856-1932.
Van Hise, Charles Richard, 1857-1918.
Vaux, Calvert, 1824-1895.
Vilas, Martin Samuel.
Watkins, Carleton E., 1829-1916, photographer.
Wilson, Woodrow
Wright, Mabel Osgood, 1859-1934.

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