http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Directory of U.S. college and university programs in environmental studies and natural resources management
Sierra Club International Earthcare Center
Prepared by the Sierra Club International Earthcare Center
Originally published under the title "Environmental studies and natural resource management : an annotated guide to university and goverment training programs in the United States