(1) International Environmental Policy: From the Twentieth to the Twenty-First Century Lynton Keith Caldwell ISBN: 9780822318668 Duke University Press View at publisher
(2) Freedom's Law: The Moral Reading of the American Constitution Ronald Dworkin ISBN: 9780198264705 Oxford University Press View at publisher
(3) Religion and the Order of Nature: The 1994 Cadbury Lectures Seyyed Hossein Nasr ISBN: 9780195108231 Oxford University Press View at publisher
(4) The Natural History of Big Sur Paul Henson; Donald J. Usner; Valerie A. Kells ISBN: 9780520205109 University of California Press View at publisher
(5) Evolution and Environment in Tropical America Jackson, Jeremy B. C. ISBN: 9780226389448 University of Chicago Press View at publisher