Tolong jelaskan mengenai Amerika Serikat dari Gerakan konservasi

Bates, J. Leonard. "Fulfilling American Democracy: The Conservation Movement, 1907 to 1921", The Mississippi Valley Historical Review, (1957), 44#1 pp. 29–57. in JSTOR

Brinkley, Douglas G. The Wilderness Warrior: Theodore Roosevelt and the Crusade for America, (2009) excerpt and text search

Cawley, R. McGreggor. Federal Land, Western Anger: The Sagebrush Rebellion and Environmental Politics (1993), on conservatives

Flippen, J. Brooks. Nixon and the Environment (2000).

Hays, Samuel P. Beauty, Health, and Permanence: Environmental Politics in the United States, 1955–1985 (1987), the standard scholarly history

Hays, Samuel P. A History of Environmental Politics since 1945 (2000), shorter standard history

Hays, Samuel P. Conservation and the Gospel of Efficiency (1959), on Progressive Era.

King, Judson. The Conservation Fight, From Theodore Roosevelt to the Tennessee Valley Authority (2009)

Nash, Roderick. Wilderness and the American Mind, (3rd ed. 1982), the standard intellectual history

Rothmun, Hal K. The Greening of a Nation? Environmentalism in the United States since 1945 (1998)

Scheffer, Victor B. The Shaping of Environmentalism in America (1991).

Sellers, Christopher. Crabgrass Crucible: Suburban Nature and the Rise of Environmentalism in Twentieth-Century America (2012)

Strong, Douglas H. Dreamers & Defenders: American Conservationists. (1988) online edition , good biographical studies of the major leaders

Turner, James Morton, "The Specter of Environmentalism": Wilderness, Environmental Politics, and the Evolution of the New Right. The Journal of American History 96.1 (2009): 123-47 online at History Cooperative