• 3 DVDs
• 2 VHS Videocassettes

• 3 Behavior
• 3 Behavior, Animal
• 3 Chimpanzees
• 3 Pan troglodytes
• 3 Psychology
• 1 Agriculture
• 1 Astronomers
• 1 Astronomy
• 1 Bonobo
• 1 Chlorine
• 1 Cholera
• 1 Dialogo dei massime sistemi
• 1 Disease Outbreaks
• 1 Economic aspects
• 1 Environment and Public Health
• 1 Environmental aspects
• 1 Environmental health
• 1 Environmentally induced diseases
• 1 Epidemiology
• 1 Evolution (Biology)
• 1 Galilei, Galileo, 1564-1642
• 1 Hominidae
• 1 Human beings
• 1 Iron
• 1 Learning in animals

• 2 Nihon Hōsō Kyōkai
• 1 ANC Productions
• 1 Aso, Tamotsu
• 1 BBC Education & Training
• 1 BBC Horizon
• 1 Baldwin, Paul
• 1 Borgers, Nathalie
• 1 Burley, Ray
• 1 Canadian Broadcasting Corporation
• 1 Colwell, Rita R., 1934-
• 1 Cronkite Ward Company
• 1 Discovery Channel (Firm)
• 1 Discovery Networks
• 1 Granada (Firm)
• 1 Library of Congress. Center for the Book
• 1 Malone, Adrian
• 1 NHK Entāpuraizu
• 1 Nakamura, Miho
• 1 O'Connell, Sanjida, 1970-
• 1 Picq, Pascal G
• 1 Sept/Arte (Firm)
• 1 Sutherland, Donald, 1935-
• 1 Suzuki, David, 1936-
• 1 TLC Video (Firm)

• 9 English
• 1 Japanese

• 1 Canada
• 1 Italy
• 1 United States

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