• 2 History
• 1 African American teenage boys
• 1 African Americans
• 1 Anatomy, Comparative
• 1 Anthropology, Prehistoric
• 1 Antiquities
• 1 Arara Indians
• 1 Australopithecus afarensis
• 1 Biotechnology
• 1 Bombings
• 1 Competition (Biology)
• 1 Crimes against
• 1 Embryo, Mammalian
• 1 Embryology, Human
• 1 Embryonic and Fetal Development
• 1 Evolution (Biology)
• 1 Excavations (Archaeology)
• 1 Exploration
• 1 Fetus
• 1 Fossil hominids
• 1 Genetic engineering
• 1 Great Britain. Army
• 1 Growth
• 1 Guerrilla warfare
• 1 Indians of South America

• 7 WGBH Video (Firm)
• 3 British Broadcasting Corporation. Television Service
• 2 Channel Four (Great Britain)
• 2 Linden, Hal
• 2 WGBH Educational Foundation
• 1 Agaton, Mikael
• 1 Apsell, Paula S
• 1 Aspell, Paula S
• 1 Braugher, Andre
• 1 British Broadcasting Corporation
• 1 Chrichton-Miller, Emma
• 1 Clear Blue Sky Productions
• 1 Dugan, David
• 1 Equilibrium Films
• 1 Erikson, Bo G
• 1 Erskine, Lewis
• 1 Films for the Humanities (Firm)
• 1 Firelight Media
• 1 Gemini Productions
• 1 Grant, Laurens
• 1 Gunton, Michael
• 1 Gédéon (Firm)
• 1 Johanson, Donald C
• 1 Jones, Peter

• 12 English

• 1 Afghanistan
• 1 Africa, East
• 1 Alexandria
• 1 Alexandria (Egypt)
• 1 Brazil
• 1 Cuba
• 1 Egypt
• 1 Great Britain
• 1 Mississippi
• 1 Outer space

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