• 8 Videos, Slides, Films

• 8 DVDs

• 3 Astronomy
• 3 Cosmology
• 3 History
• 2 Comets
• 2 Continental drift
• 2 Exploration
• 2 Historical geology
• 2 Meteors
• 2 Plate tectonics
• 2 Volcanoes
• 1 Acceleration (Mechanics)
• 1 Adaptation
• 1 Adaptation (Biology)
• 1 Animal communication
• 1 Animal flight
• 1 Asteroids
• 1 Big bang theory
• 1 Biological control systems
• 1 Bioremediation
• 1 Body covering (Anatomy)
• 1 Body size
• 1 Campaigns
• 1 Carbon sequestration
• 1 Clusters
• 1 Collisions with Earth

• 6 New Video Group
• 3 Flight 33 Productions (Firm)
• 3 Thompson, Erik, 1959-
• 2 Amdahl, Eric
• 2 Beemer, Rob
• 2 Cohen, Douglas J
• 2 Hicklin, William
• 2 Johnson, Corey, 1961-
• 2 Pioneer Productions
• 2 Rehr, Darryl
• 2 Tarantino, Louis C
• 2 Verklan, Laura M
• 1 A & E Home Video (Firm)
• 1 Azzariti, Annie
• 1 Campbell, Colin
• 1 Coffee, Jason
• 1 Cohen, Douglas
• 1 Dolan, Samuel K
• 1 Drooker, Arthur
• 1 Forde, Rebecca Graham
• 1 Georgalis, Savas
• 1 Greenewald, John, Jr
• 1 Grupper, Jonathan

• 8 English

• 3 Outer space
• 2 Earth (Planet)
• 2 Pacific Area
• 1 Alamo (San Antonio, Tex.)
• 1 Alps
• 1 Atacama Desert (Chile)
• 1 Death Valley (Calif. and Nev.)
• 1 Everest, Mount (China and Nepal)
• 1 Grand Canyon (Ariz.)
• 1 Great Lakes (North America)
• 1 Hawaii
• 1 Iceland
• 1 Krakatoa (Indonesia)
• 1 Milky Way
• 1 Ness, Loch (Scotland)
• 1 New York (N.Y.)
• 1 North America
• 1 Rocky Mountains
• 1 Sahara
• 1 Saint Helens, Mount (Wash.)
• 1 San Andreas Fault (Calif.)
• 1 United States
• 1 Vesuvius (Italy)
• 1 Yellowstone National Park
• 1 Yosemite National Park (Calif.)

• 8 Documentary television programs
• 6 Science television programs
• 6 Video recordings for the hearing impaired
• 3 Nature television programs
• 3 Nonfiction television programs
• 2 Television series
• 1 Historical television programs

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