• 81 Videos, Slides, Films

• 16 Discoveries in science
• 16 Physics
• 16 Quantum theory
• 13 Study and teaching
• 13 Theater
• 12 Drama
• 11 African Americans
• 10 Political activists
• 10 Shakespeare, William, 1564-1616
• 8 British literature
• 7 Chemical elements
• 7 Chemistry, Physical and theoretical
• 7 Civil rights
• 7 Inorganic compounds
• 7 Organic compounds
• 6 Literary style
• 5 American literature
• 5 Civil rights movements
• 5 Racism
• 5 Research
• 5 World War, 1939-1945
• 4 Ethnicity
• 4 History and criticism
• 4 Music

• 81 Films Media Group
• 81 Films for the Humanities & Sciences (Firm)
• 12 BBC Worldwide Ltd
• 7 Public Broadcasting Service (U.S.)
• 6 Cambridge Educational (Firm)
• 6 Video Education Australasia
• 4 4 Learning (Firm)
• 4 Canadian Broadcasting Corporation
• 4 Infobase
• 4 La Compagnie des Taxi-Brousse
• 4 Waddell, Martin
• 3 Electric Sky (Firm)
• 3 MacNeil/Lehrer Productions
• 2 Journeyman Pictures (Firm)
• 2 Nobel Media AB (Firm)
• 1 ABC International
• 1 Andana Films
• 1 CTE (Carlton) Limited
• 1 Canada. Dept. of Finance
• 1 DR TV (Television station : Copenhagen, Denmark)
• 1 Eagle Rock Entertainment
• 1 Films for the Humanities & Sciences
• 1 Green Crow Productions
• 1 Illuminations (Firm)
• 1 International Music Centre

• 81 English
• 3 Multiple languages
• 1 French

• 18 Europe
• 16 United States
• 8 Former Soviet republics
• 8 Russia (Federation)
• 3 Mississippi
• 2 Outer space
• 2 Southeast Asia
• 1 Asia
• 1 Atlanta
• 1 Attica
• 1 Boston
• 1 Chicago
• 1 China
• 1 East Asia
• 1 France
• 1 Georgia
• 1 Germany
• 1 Great Britain
• 1 Illinois
• 1 Laos
• 1 Massachusetts
• 1 New York (State)
• 1 Paris (France)
• 1 Russia
• 1 Tibet Autonomous Region (China)

• 81 Educational films
• 81 Internet videos

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