• 2 DVDs

• 3 Bridges
• 3 Skyscrapers
• 2 Documentary television programs
• 2 Historical television programs
• 2 Roebling, Emily Warren, 1843-1903
• 2 Roebling, John Augustus, 1806-1869
• 2 Roebling, Washington Augustus, 1837-1926
• 2 September 11 Terrorist Attacks, 2001
• 1 Anniversaries, etc
• 1 Architecture, Modern
• 1 Buildings, structures, etc
• 1 Canals
• 1 Civil engineering
• 1 Clinton, DeWitt, 1769-1828
• 1 Documentary photography
• 1 Exhibitions
• 1 Foreign workers
• 1 Inventions
• 1 Iron and steel workers
• 1 New York World's Fair (1964-1965 : New York, N.Y.)
• 1 Photographers
• 1 Portraits
• 1 Rockefeller Center

• 3 History Channel (Television network)
• 2 Boen, Earl
• 2 Cannon, Phillis
• 2 Hearst Entertainment (Firm)
• 2 Jaffe Productions
• 2 Public Broadcasting Service (U.S.)
• 1 A & E Home Video (Firm)
• 1 Actuality Productions
• 1 Alexander Street Press
• 1 Arts and Entertainment Network
• 1 Burns, Ric
• 1 Cariou, Len
• 1 Connecticut Public Television
• 1 DoGoodery (Organization)
• 1 Driving Force Institute for Public Engagement (Firm)
• 1 Elena Mannes Productions
• 1 Films Media Group
• 1 Films for the Humanities & Sciences (Firm)
• 1 First-Run Features (Firm)
• 1 Flanagan, Fionnula, 1941-
• 1 Gillespie, Angus K., 1942-
• 1 Hanley, Rich
• 1 Hirsch, Judd
• 1 Infobase
• 1 Janson Media

• 8 New York
• 2 Brooklyn Bridge (New York, N.Y.)
• 2 East River
• 2 New York (N.Y.)
• 1 Erie Canal (N.Y.)
• 1 United States

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