• 6 History
• 1 African American teenage boys
• 1 African Americans
• 1 Americans
• 1 Astronomy
• 1 Chinese
• 1 Crimes against
• 1 Earth sciences
• 1 Emigration and immigration
• 1 Guerrilla warfare
• 1 Historical reenactments
• 1 Human behavior
• 1 Leung, Colleen
• 1 Life sciences
• 1 Lynching
• 1 Medical ethics
• 1 Medicine
• 1 Participation, American
• 1 Physics
• 1 Race relations
• 1 Racism
• 1 Science
• 1 Social aspects
• 1 Social life and customs
• 1 Spain. Ejército Popular de la República. Brigada Internacional, XV

• 6 PBS Home Video
• 4 Osgood, Charles
• 4 WGBH (Television station : Boston, Mass.). Science Unit
• 2 British Broadcasting Corporation
• 2 WGBH (Television station : Boston, Mass.)
• 1 Braugher, Andre
• 1 Channel Four (Great Britain)
• 1 Erskine, Lewis
• 1 Exemplary Films, Inc
• 1 Filmakers Library, inc
• 1 Firelight Media
• 1 First Run/Icarus Films
• 1 Grant, Laurens
• 1 Kosersky, Rena C
• 1 Leung, Colleen
• 1 National Film Board of Canada
• 1 Nelson, Stanley, 1951-
• 1 Newman, Julia
• 1 Palmer, Amilca
• 1 Palmer, Geoffrey, 1927-2020
• 1 Phillips, Tom
• 1 Pirie, Caroline Ross
• 1 Shepard, Robert
• 1 Smith, Marcia
• 1 Treharne Jones, Bill

• 9 English

• 1 Afghanistan
• 1 British Columbia
• 1 Canada
• 1 China
• 1 Cuba
• 1 Great Britain
• 1 Mississippi
• 1 Spain
• 1 United States
• 1 Vancouver Island

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