• 3 History
• 1 Architecture
• 1 Congestion pricing
• 1 Conservation of natural resources
• 1 Description and travel
• 1 Environmental policy
• 1 Local transit
• 1 Natural resources
• 1 Physical geography
• 1 Postwar reconstruction
• 1 Reformation
• 1 Renaissance
• 1 Social sciences

• 5 Films Media Group
• 5 Films for the Humanities & Sciences (Firm)
• 1 555 Productions, Inc
• 1 Eagle Rock Entertainment
• 1 Infobase
• 1 Looks Distribution GmbH
• 1 Public Broadcasting Service (U.S.)

• 5 English

• 2 Europe
• 1 London

• 5 Educational films
• 5 Internet videos
• 1 Video recordings for the hearing impaired

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