• 7 Videos, Slides, Films

• 7 Industrial revolution--United States
• 3 Economics
• 2 Business
• 2 U.S. states--Politics and government
• 1 Business ethics
• 1 Civics
• 1 Civil engineering
• 1 Conservation
• 1 Conservation of natural resources
• 1 Earth sciences
• 1 Engineering
• 1 Environmental law
• 1 Environmental policy
• 1 Environmental protection
• 1 Environmental sciences
• 1 Equality
• 1 Ethnicity
• 1 Geology
• 1 Leadership
• 1 Macroeconomics
• 1 Management
• 1 Physical geology
• 1 Political participation

• 7 Infobase
• 3 A&E Networks (Firm)
• 2 PBS (Firm)
• 1 BBC (Firm)
• 1 National Geographic Digital Media (Firm)

• 7 English

• 7 Internet videos
• 7 Video recordings for the hearing impaired

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