• 2 College Library
• 2 MERIT Library
• 2 Steenbock Library
• 1 Geology and Geophysics Library (Leith)
• 1 Social Work Library (Franks)

• 27 Videos, Slides, Films

• 27 DVDs

• 7 History
• 4 Architecture, Ancient
• 4 Design and construction
• 2 African Americans
• 2 Antiquities
• 2 Climatology
• 2 Colosseum (Rome, Italy)
• 2 Environmental aspects
• 2 Fossil fuels
• 2 Global temperature changes
• 2 Global warming
• 2 Great Pyramid (Egypt)
• 2 Greenhouse effect, Atmospheric
• 2 Hatha yoga
• 2 Incas
• 2 Long-range weather forecasting
• 2 Meteorology
• 2 Obelisks
• 2 Volcanoes
• 1 Abused children
• 1 African American men
• 1 African American physicians
• 1 African American soldiers
• 1 Altitude, Influence of
• 1 Ants

• 13 WGBH Educational Foundation
• 10 WGBH (Television station : Boston, Mass.)
• 7 British Broadcasting Corporation. Television Service
• 6 WGBH (Television station : Boston, Mass.). Science Unit
• 4 Lyman, Will, 1948-
• 3 Apsell, Paula S
• 3 Barnes, Michael, 1948-
• 3 Keach, Stacy
• 3 PBS Distribution (Firm)
• 2 Cappy, Peggy
• 2 Cinquième (Firm)
• 2 Cort, Julia
• 2 Gedeon Programmes
• 2 Klein, Larry
• 2 Meridian Broadcasting
• 2 Mirowitz, Sheldon
• 2 Nihon Hōsō Kyōkai
• 2 Page, Cynthia
• 2 Palfreman Film Group
• 2 Palfreman, Jon
• 2 Public Broadcasting Service (U.S.)
• 2 Südwestrundfunk (Germany)
• 2 Whittlesey, Rob
• 1 Archipelago Films

• 27 English
• 1 Spanish

• 5 United States
• 2 Egypt
• 2 Stonehenge (England)
• 1 Alaska
• 1 Brańsk
• 1 Brańsk (Poland)
• 1 California
• 1 Denali National Park and Preserve (Alaska)
• 1 Denali, Mount
• 1 Denali, Mount (Alaska)
• 1 England
• 1 Europe
• 1 Hoover Dam (Ariz. and Nev.)
• 1 Kilimanjaro, Mount
• 1 Kilimanjaro, Mount (Tanzania)
• 1 Massachusetts
• 1 New Jersey
• 1 New York
• 1 New York (State)
• 1 Newark
• 1 Panama Canal (Panama)
• 1 Peru
• 1 Philippines
• 1 Pinatubo, Mount (Philippines)
• 1 Poland

Limit year range