• 7 Videos, Slides, Films

• 5 Skyscrapers
• 2 Architecture
• 2 Buildings, structures, etc
• 2 Construction workers
• 2 History
• 2 World Trade Center (New York, N.Y.)
• 1 Anniversaries, etc
• 1 Architecture, Modern
• 1 Bricklayers
• 1 Bridges
• 1 Building trades
• 1 Commercial buildings
• 1 Documentary television programs
• 1 Employees
• 1 Employment
• 1 Historical television programs
• 1 Indians of North America
• 1 Mohawk Indians
• 1 Roebling, Emily Warren, 1843-1903
• 1 Roebling, John Augustus, 1806-1869
• 1 Roebling, Washington Augustus, 1837-1926
• 1 September 11 Terrorist Attacks, 2001
• 1 Structural steel workers
• 1 Towers

• 3 Alexander Street Press
• 3 Films Media Group
• 3 Films for the Humanities & Sciences (Firm)
• 3 Public Broadcasting Service (U.S.)
• 1 American Mutoscope and Biograph Company
• 1 Bernard, Sandy
• 1 Boen, Earl
• 1 Cannon, Phillis
• 1 Deckert, Heino
• 1 Dobson, F. A.
• 1 Docuseek2 (Firm)
• 1 Esson, Katja
• 1 Hearst Entertainment (Firm)
• 1 History Channel (Television network)
• 1 Infobase
• 1 Jaffe Productions
• 1 Landmark Media, Inc
• 1 Penelope Pictures, LLC
• 1 Schenk Productions
• 1 Schenk, Sabine, 1980-
• 1 Stephant-Andrews, Bertrand
• 1 Women Make Movies (Firm)
• 1 ma.ja.de filmproduktion

• 7 New York
• 2 Manhattan (New York, N.Y.)
• 2 New York (N.Y.)
• 1 Asia
• 1 Barcelona
• 1 Broadway (New York, N.Y.)
• 1 Brooklyn Bridge (New York, N.Y.)
• 1 China
• 1 East River
• 1 France
• 1 Guangzhou
• 1 Paris
• 1 Spain
• 1 Union Square (New York, N.Y.)

• 3 Educational films
• 3 Videorecording
• 2 Documentary films
• 2 Video recordings for the hearing impaired
• 1 Drama
• 1 Feature films
• 1 Nonfiction films

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