• 2 MERIT Library
• 2 Steenbock Library
• 1 AOSS Library
• 1 Wisconsin's Water Library

• 24 Videos, Slides, Films

• 5 DVDs

• 20 Cosmology
• 17 Astronomy
• 11 Evolution
• 6 Ecology
• 5 Biology
• 4 Human ecology
• 3 Sustainability
• 2 Economic aspects
• 2 Galaxies
• 1 Agricultural ecology
• 1 Anderson, Ray C
• 1 Appropriate technology
• 1 Bee culture
• 1 Cities and towns
• 1 Climatic changes
• 1 Community-supported agriculture
• 1 Conservationists
• 1 Corrupt practices
• 1 Earth sciences
• 1 Ecologists
• 1 Environmental aspects
• 1 Environmental economics
• 1 Environmental education
• 1 Environmental engineering
• 1 Environmental justice

• 19 Independent Communications Associates
• 19 Kennard, David
• 19 Music Video Distributors, Inc.
• 19 Northcutt Productions
• 19 Northcutt, Patsy
• 19 Swimme, Brian
• 19 Tucker, Mary Evelyn
• 19 Yale University. School of Forestry and Environmental Studies
• 1 Aldo Leopold Foundation
• 1 Andrews, David (David G.)
• 1 Beins, Simon
• 1 Bullfrog Films
• 1 Campbell, Brian
• 1 Cannon, Scott (Videographer and anti-fracking activist)
• 1 Cartwright, Matthew A.
• 1 Center for Humans and Nature
• 1 Cheney, Ian
• 1 Coyote, Peter
• 1 Demers, Jocelyn, 1961-
• 1 Dunsky, Ann
• 1 Dunsky, Steve
• 1 Green Planet Films
• 1 Hannah, Daryl
• 1 Huffaker, Buddy
• 1 Ingraffea, A. R.

• 24 English

• 19 Earth (Planet)
• 19 Universe
• 3 United States
• 1 Mars (Planet)
• 1 Outer space
• 1 Solar system
• 1 Wisconsin

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