• 20 History
• 7 Economics
• 6 Environmental sciences
• 6 Industrial applications
• 6 Technology
• 6 World history
• 5 Biology
• 4 Chemistry
• 3 Literature
• 3 Religions
• 2 African Americans
• 2 American literature
• 2 Antiques
• 2 Anxiety
• 2 Arts and crafts movement
• 2 Christianity
• 2 Civilization, Ancient
• 2 Collectors and collecting
• 2 Decoration and ornament
• 2 Decorative arts
• 2 Emotions
• 2 Handicraft
• 2 Handicrafts
• 2 History and criticism

• 25 Films Media Group
• 25 Films for the Humanities & Sciences (Firm)
• 19 Green, John, 1977-
• 18 Muller, Stan
• 16 Infobase
• 14 Green, Hank
• 6 Clifford, Jacob
• 6 Hill, Adriene
• 2 Jenkins, Nicholas
• 2 Rugnetta, Mike
• 1 Alda, Alan, 1936-
• 1 Aranda, Michael
• 1 Big Table Film Company
• 1 Gates, Henry Louis, Jr
• 1 Johnstone, Gary, 1959-
• 1 McMaster, Joseph
• 1 Sweeney, Nicole
• 1 Tovell, Vanessa
• 1 Vulcan Productions

• 51 English

• 3 Middle East
• 3 United States
• 2 Europe
• 2 Greece
• 2 Jerusalem
• 1 Africa
• 1 China
• 1 France
• 1 Iran
• 1 Islamic Empire
• 1 Pennsylvania

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