1. Beauty, Health and Permanence: Environmental Politics in the United States, 1955–1985;Hays,1987
2. The Bulldozer in the Countryside: Suburban Sprawl and the Rise of American Environmentalism;Rome,2001
3. Striking a Balance: Environment and Natural Resources Policy in the Nixon-Ford Years;Whitaker,1976
4. Statement about the National Environmental Policy Act of 1969. 1 January 1970http://www.presidency.ucsb.edu/ws/?pid=2557
5. Environment: A New Focus for Public Policy?