• 1 Steenbock Library

• 1 Crust
• 1 Penguins
• 1 Plate tectonics

• 2 British Broadcasting Corporation
• 2 Warner Home Video (Firm)
• 1 Animal Planet (Television network)
• 1 BBC One (Television station : London, England)
• 1 Chapman, Philip
• 1 Dalton, Philip (Producer)
• 1 Downer, John, 1952-
• 1 John Downer Productions Ltd.
• 1 Quarshie, Hugh
• 1 Seven Network Australia
• 1 Taylor, Barnaby, 1972-
• 1 Tennant, David, 1971-
• 1 WNET (Television station : New York, N.Y.)

• 2 English

• 1 Earth (Planet)
• 1 Great Rift Valley

• 2 Nonfiction television programs
• 2 Television mini-series
• 2 Video recordings for the hearing impaired
• 1 DVDs
• 1 Nature television programs
• 1 Videodiscs
• 1 Wildlife television programs

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