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  1.  41
    Designing a Critical Thinking Model for a Comprehensive Technological University.Norbert Elliot, Robert Lynch, John Opie & Karl Schweizer - 1991 - Inquiry: Critical Thinking Across the Disciplines 7 (4):8-10.
  2.  3
    Jonathan Edwards and the Enlightenment.John Opie - 1969 - Lexington, Mass.,: Heath.
  3.  9
    The Ends of the Earth: Perspectives on Modern Environmental HistoryDonald Worster.John Opie - 1990 - Isis 81 (2):322-323.
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  4.  27
    American Wilderness. [REVIEW]John Opie - 2009 - Environmental Ethics 31 (1):85-88.
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  5.  5
    American Wilderness. [REVIEW]John Opie - 2009 - Environmental Ethics 31 (1):85-88.
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  6.  30
    Explorations in Environmental History. [REVIEW]John Opie - 2000 - Environmental Ethics 22 (3):325-326.
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  7.  11
    Review of Explorations in Environmental History. [REVIEW]John Opie - 2000 - Environmental Ethics 22 (3):325-326.
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  8.  22
    Encyclopedia of World Environmental History. [REVIEW]John Opie - 2005 - Environmental Ethics 27 (3):323-328.
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  9.  5
    Review of Encyclopedia of World Environmental History. [REVIEW]John Opie - 2005 - Environmental Ethics 27 (3):323-328.
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  10.  27
    Review of Managing the Environment, Managing Ourselves: A History of American Environmental Policy. [REVIEW]John Opie - 2001 - Environmental Ethics 23 (2):219-222.
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  11.  3
    Managing the Environment, Managing Ourselves: A History of American Environmental Policy. [REVIEW]John Opie - 2001 - Environmental Ethics 23 (2):219-222.
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  12.  4
    The Ends of the Earth: Perspectives on Modern Environmental History by Donald Worster. [REVIEW]John Opie - 1990 - Isis 81:322-323.
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