• 10 Videos, Slides, Films

• 5 History
• 2 Documentary films
• 1 Architecture
• 1 Architecture, Gothic
• 1 Bridges
• 1 Buildings
• 1 Buildings, structures, etc
• 1 Cathedrals
• 1 Church architecture
• 1 Conservation and restoration
• 1 Cottages
• 1 Dams
• 1 Diners (Restaurants)
• 1 Documentary television programs
• 1 Empire State Building (New York, N.Y.)
• 1 Employees
• 1 Historical television programs
• 1 Inventions
• 1 Log cabins
• 1 Railroad engineering
• 1 Railroads
• 1 Roads
• 1 Roebling, Emily Warren, 1843-1903
• 1 Roebling, John Augustus, 1806-1869

• 10 History Channel (Television network)
• 5 Arts and Entertainment Network
• 5 Nash, Bruce M
• 4 Hearst Entertainment (Firm)
• 4 Jaffe Productions
• 3 A & E Home Video (Firm)
• 3 Dunham, Marty
• 2 New Video Group
• 2 Perkins, Jack, 1933-2019
• 2 Raphael, Max
• 2 Thomas, Andy
• 1 Actuality Productions
• 1 Benson, Emily
• 1 Boen, Earl
• 1 Cannon, Phillis
• 1 Djokic, Kristina
• 1 Ellis, Luke
• 1 Goldie, W. Scott
• 1 Jaffe, Bob
• 1 Kennedy, Sean
• 1 Kirby, Paul
• 1 Lau, Emily
• 1 Miller, Scott, producer
• 1 Trinkl, Alison

• 3 United States
• 1 Arizona
• 1 Brooklyn Bridge (New York, N.Y.)
• 1 Chicago
• 1 Chicago (Ill.)
• 1 East River
• 1 Hoover Dam (Ariz. and Nev.)
• 1 Illinois
• 1 Nevada
• 1 New York
• 1 New York (N.Y.)
• 1 New York (State)

Limit year range