• 189 World history
• 160 History
• 93 Earth sciences
• 54 Physical geography
• 42 Landforms
• 42 Natural resources
• 42 Water use
• 30 Environmental sciences
• 25 Civilization, Ancient
• 25 Latin Americans
• 22 Biotic communities
• 22 Ecological regions
• 22 Geology
• 17 Ecological zones
• 14 Human geography
• 13 History, Ancient
• 13 Physical geology
• 12 Civilization
• 12 Climate
• 12 Weather
• 11 Tibet Region
• 10 Civilization, Medieval
• 10 Middle Ages
• 9 Life sciences

• 427 Films Media Group
• 189 Global Screen (Firm)
• 41 BBC (Firm)
• 40 American Public Television (Firm)
• 32 Film Ideas (Firm)
• 26 PBS (Firm)
• 15 ARTE France (Firm)
• 13 Camille S. DeBose (Firm)
• 13 National Geographic Digital Media (Firm)
• 13 Switch International (Firm)
• 7 CNN (Firm)
• 7 National Geographic Society (U.S.)
• 5 Cerebellum Corporation (Firm)
• 5 ClickView/VEA (Firm)
• 4 Media Rich Learning (Firm)
• 3 Films for the Humanities & Sciences (Firm)
• 2 CINEFETE (Firm)
• 2 MVD (Firm)
• 1 A&E Networks (Firm)
• 1 American Geosciences Institute (Firm)
• 1 Australian Broadcasting Corporation (Firm)
• 1 Ente Público Radiotelevisión (Firm)
• 1 Espresso TV (Firm)
• 1 Filmhub (Firm)

• 428 English

• 97 Asia
• 84 Europe
• 34 Africa
• 30 North America
• 26 Middle East
• 24 Africa, Sub-Saharan
• 23 Central America
• 23 South America
• 17 South Asia
• 16 America
• 12 Australia
• 12 East Asia
• 12 Physical geography
• 12 Southeast Asia
• 11 China
• 8 Africa, North
• 8 Russia (Federation)
• 7 Australasia
• 7 Oceania
• 6 Japan
• 6 Korea
• 3 Asia, Central
• 2 Antarctica
• 2 Earth (Planet)
• 2 Enlightenment

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