• 8 Videos, Slides, Films

• 3 Skyscrapers
• 2 Architecture
• 2 Building
• 2 History
• 2 Monuments
• 2 September 11 Terrorist Attacks, 2001
• 2 Structural engineering
• 1 Anniversaries, etc
• 1 Antiquities
• 1 Arch bridges
• 1 Architecture, Gothic
• 1 Baths, Roman
• 1 Bridges
• 1 Building failures
• 1 Building, Stone
• 1 Cathedrals
• 1 Construction industry
• 1 Dams
• 1 Domes
• 1 Ecological houses
• 1 Engines of war
• 1 Environmental aspects
• 1 Investigation
• 1 Obelisks

• 3 WGBH Video (Firm)
• 2 PBS Home Video
• 2 Sanders, Jay O., 1953-
• 2 WGBH Educational Foundation
• 1 ARTE France
• 1 Apsell, Paula S
• 1 Barnes, Michael, 1948-
• 1 Ben Loeterman Productions
• 1 British Broadcasting Corporation
• 1 Bushkin, Tippy
• 1 Channel Four (Great Britain)
• 1 Cinquième (Firm)
• 1 Clark, Liesl
• 1 Contreras, Kevin
• 1 Cort, Julia
• 1 Docere Studios
• 1 Executive Program Services (Firm)
• 1 Fortier, Tennaly
• 1 Glassman, Gary
• 1 Hallet, Judith Dwan, 1941-
• 1 Keach, Stacy
• 1 Klein, Larry
• 1 Klein, Larry (Producer)
• 1 Levenson, Tom

• 8 English

• 3 New York
• 3 New York (State)
• 1 China
• 1 Easter Island
• 1 Egypt
• 1 Golden Gate Bridge (San Francisco, Calif.)
• 1 Scotland
• 1 World Trade Center Site (New York, N.Y.)

Limit year range