• 3,075 Health
• 2,881 Economics
• 2,432 Business
• 1,987 History
• 1,864 Management
• 1,371 World history
• 1,187 Entrepreneurship
• 1,092 Sociology
• 918 Medical care
• 835 Study and teaching
• 798 Mathematics
• 795 Language arts
• 716 Diseases
• 651 Communication
• 623 Psychology
• 577 Calculus
• 577 Calculus, Integral
• 577 Differential calculus
• 577 Discrete geometry
• 577 Geometry, Analytic
• 577 Mass media
• 577 Mathematical analysis
• 577 Trigonometry
• 569 Environmental sciences
• 526 Language, Universal

• 2,123 Prendismo, LLC (Firm)
• 1,211 PBS (Firm)
• 1,081 Ivanhoe Broadcast News (Firm)
• 962 Films for the Humanities & Sciences (Firm)
• 791 BBC (Firm)
• 746 integral CALC (Firm)
• 706 Innovative Language (Firm)
• 704 BBC Worldwide Learning (Firm)
• 690 Wellness Network (Firm)
• 669 MVD (Firm)
• 521 Makematic (Firm)
• 510 British Film Institute (Firm)
• 510 INJOY PRODUCTIONS (Firm)
• 478 CNN (Firm)
• 428 A&E Networks (Firm)
• 279 Reuters News & Media Inc. (Firm)
• 268 Cerebellum Corporation (Firm)
• 238 Film Ideas (Firm)
• 226 MacNeil/Lehrer Productions (Firm)
• 222 TVF International (Firm)
• 208 American Academy of Pediatrics (Firm)
• 202 Videatives (Firm)
• 196 Global Screen (Firm)

• 20,489 English
• 1,481 Unknown
• 249 Spanish
• 34 French
• 14 German
• 14 Portuguese
• 11 Chinese
• 9 Arabic
• 9 Finnish
• 7 Russian
• 6 Dutch
• 6 Italian
• 5 Japanese
• 4 Hebrew
• 3 Hindi
• 2 Bulgarian
• 2 Norwegian
• 2 Swedish
• 2 Vietnamese
• 1 Armenian
• 1 Croatian
• 1 Haitian
• 1 Indonesian
• 1 Khmer
• 1 Korean

• 844 United States
• 544 Asia
• 379 Europe
• 296 Africa
• 239 U.S. states
• 192 Middle East
• 163 China
• 162 Africa, Sub-Saharan
• 108 Japan
• 72 South Asia
• 72 Southeast Asia
• 63 America
• 62 Latin America
• 59 Russia (Federation)
• 50 Spain
• 37 East Asia
• 33 Enlightenment
• 33 North America
• 31 France
• 30 Korea
• 29 Italy
• 27 Africa, North
• 25 South America
• 24 Australia
• 24 Central America

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