• 91 Probabilities
• 73 Mathematics
• 69 Probability learning
• 32 Biometry
• 32 Mathematical statistics
• 4 Technology
• 3 Psychology
• 2 Applied mathematics
• 2 Science
• 2 Social psychology
• 2 Vocational guidance
• 1 Ability, Influence of age on
• 1 Aging
• 1 Algebra
• 1 Business mathematics
• 1 Calculus
• 1 Chance
• 1 Cognitive psychology
• 1 Communication
• 1 Communication and technology
• 1 Data processing
• 1 Discoveries in science
• 1 Diseases
• 1 Dynamics

• 69 Infobase
• 44 integral CALC (Firm)
• 32 Annenberg Learner (Firm)
• 23 Films for the Humanities & Sciences (Firm)
• 15 Palomar Community College District (Firm)
• 10 Goldhil Video (Firm)
• 10 Standard Deviants (Performing group)
• 5 Video Education America (VEA) (Firm)
• 4 New Zealand. Learning Media
• 3 Video Education Australasia
• 1 Agency for Instructional Technology
• 1 Australian Broadcasting Corporation (Firm)
• 1 BBC Worldwide Ltd
• 1 Cerebellum Corporation (Firm)
• 1 Cinetic Rights Management LLC. (Firm)
• 1 Media 4 Math (Firm)
• 1 NPO/Netherlands Public Broadcast
• 1 Open University
• 1 PBS (Firm)
• 1 ShortCuts TV
• 1 TVF International (Firm)

• 81 English
• 44 Unknown

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