(1) Handbook of Frogs and Toads of the United States and Canada Albert Hazen Wright and Anna Allen Wright ISBN: 9780801482328 Cornell University Press View at publisher
(2) The Politics of Environmental Discourse: Ecological Modernization and the Policy Process Maarten A. Hajer ISBN: 9780198279693 Oxford University Press View at publisher
(3) Defending the Land of the Jaguar: A History of Conservation in Mexico Lane Simonian ISBN: 9780292776913 University of Texas Press View at publisher