• 9 Videos, Slides, Films

• 7 History
• 4 Design and construction
• 4 Documentary films
• 1 Architecture
• 1 Architecture, Gothic
• 1 Atomic bomb
• 1 Bridges
• 1 Buildings
• 1 Cathedrals
• 1 Church architecture
• 1 Documentary television programs
• 1 Empire State Building (New York, N.Y.)
• 1 Employees
• 1 Enola Gay (Bomber)
• 1 Historical television programs
• 1 Inventions
• 1 Los Alamos National Laboratory
• 1 Manhattan Project (U.S.)
• 1 Oak Ridge National Laboratory
• 1 Railroad engineering
• 1 Railroads
• 1 Roebling, Emily Warren, 1843-1903
• 1 Roebling, John Augustus, 1806-1869
• 1 Roebling, Washington Augustus, 1837-1926
• 1 Safety appliances

• 9 History Channel (Television network)
• 7 Jaffe Productions
• 6 Arts and Entertainment Network
• 5 A & E Home Video (Firm)
• 5 Nash, Bruce M
• 4 New Video Group
• 4 Perkins, Jack, 1933-2019
• 4 Thomas, Andy
• 2 Actuality Productions
• 2 Jaffe, Bob
• 1 Boen, Earl
• 1 Cannon, Phillis
• 1 Dash, Sean
• 1 Hanig, Joshua
• 1 Kirby, Paul
• 1 Raphael, Max
• 1 Scheftel, Jeff
• 1 Trinkl, Alison

• 9 English

• 4 United States
• 1 Brooklyn Bridge (New York, N.Y.)
• 1 East River
• 1 New York
• 1 New York (N.Y.)
• 1 New York (State)
• 1 Statue of Liberty National Monument (N.Y. and N.J.)

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