Conservation and management of natural resources in the United States /

類似資料

• Origins of American conservation.
  著者:: Clepper, Henry Edward, 1901-
  出版事項: (1966)
• Franklin D. Roosevelt & conservation, 1911-1945.
  著者:: Roosevelt, Franklin D. (Franklin Delano), 1882-1945
  出版事項: (1972)
• The politics of conservation,
  著者:: Smith, Frank Ellis, 1918-
  出版事項: (1966)
• The American environment : readings in the history of conservation /
  著者:: Nash, Roderick
  出版事項: (1976)
• Conservation under F.D.R. /
  著者:: Owen, A. L. Riesch (Anna Lou Riesch), 1919-
  出版事項: (1983)