• 128 History
• 37 Politics and government
• 31 African Americans
• 24 Study and teaching
• 22 Management
• 20 Economic conditions
• 20 Mathematics
• 18 Immigrants
• 17 Physical geography
• 16 Depressions
• 16 Natural resources
• 16 Presidents
• 16 Technology
• 15 History and criticism
• 14 Leadership
• 14 Social aspects
• 13 Civil rights
• 12 Conservation of natural resources
• 12 Indians of North America
• 12 Social life and customs
• 12 World War, 1939-1945
• 11 Civilization, Ancient
• 11 Labor
• 11 Politicians
• 10 Civil rights movements

• 377 Films Media Group
• 327 Films for the Humanities & Sciences (Firm)
• 132 Infobase
• 29 Burns, Ken, 1953-
• 20 An, Sangmin
• 20 Kim, Hyungjoon
• 10 Alda, Alan, 1936-
• 5 Macaulay, David
• 4 Sanjayan, M. A., 1966-
• 1 Cooper, Anderson
• 1 Descartes, René, 1596-1650
• 1 Gates, Henry Louis, Jr
• 1 Gazzaley, Adam
• 1 Inky Dinky Worldwide, Inc.
• 1 Lavoie, Richard D.
• 1 Marty, Bob
• 1 Michelson, Leslie D.
• 1 Pollan, Michael
• 1 Povero, Dave
• 1 Rushkoff, Douglas
• 1 Sagal, Peter
• 1 Sheets, Dana
• 1 State of the Art, Inc.

• 399 English

• 143 United States
• 11 North America
• 8 India
• 8 New York (N.Y.)
• 7 Asia
• 7 South Asia
• 7 West (U.S.)
• 5 New York
• 5 New York (State)
• 4 Australia
• 4 Middle East
• 3 Alabama
• 3 Chicago
• 3 Egypt
• 3 Illinois
• 3 Latin America
• 3 Mississippi
• 3 Pennsylvania
• 3 Philadelphia
• 2 America
• 2 California
• 2 China
• 2 Europe
• 2 France
• 2 Jerusalem

• 377 Internet videos
• 286 Videorecording
• 174 Video recordings for the hearing impaired
• 40 Video recording
• 18 Biography
• 15 Case studies
• 3 Television adaptations
• 2 Early works to 1800
• 1 Genealogy
• 1 Handbooks, manuals, etc
• 1 Instructional films
• 1 Personal narratives
• 1 Sources

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