查詢 text:"United States Environmental conditions -- History." ，共 2 筆
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14 0 0 0 0Voices in the wilderness :American nature writing and environmental politics
- 作者: Payne, Daniel G.,
- 出版: Hanover : University Press of New England ©1996.
- 資料類型: 電子書
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16 0 0 0 0
Preserving the nation :the conservation and environmental movements, 1870-2000
- 作者: Wellock, Thomas Raymond.
- 出版: Wheeling, Ill. : Harlan Davidson, Inc. c2007.
- 資料類型: 圖書