• 7 Videos, Slides, Films

• 6 History
• 2 Inventors
• 1 Aeronautics
• 1 African American agriculturists
• 1 Agriculturists
• 1 Atomic bomb
• 1 Carver, George Washington, 1864?-1943
• 1 Dams
• 1 Design and construction
• 1 Documentary television programs
• 1 Edison, Thomas A. (Thomas Alva), 1847-1931
• 1 Enola Gay (Bomber)
• 1 Franklin, Benjamin, 1706-1790
• 1 Inventions
• 1 Los Alamos National Laboratory
• 1 Manhattan Project (U.S.)
• 1 Oak Ridge National Laboratory
• 1 Presidents
• 1 Transportation
• 1 Wright Flyer (Airplane)
• 1 Wright, Orville, 1871-1948
• 1 Wright, Wilbur, 1867-1912

• 7 Actuality Productions
• 7 Arts and Entertainment Network
• 7 History Channel (Television network)
• 6 Nash, Bruce M
• 5 New Video Group
• 3 Cambou, Don
• 1 Dash, Sean
• 1 Ellis, Luke
• 1 Fish, Joanne
• 1 Garrison, Dave
• 1 Hearst Entertainment (Firm)
• 1 Hickey, Matthew P
• 1 Lacques, Anthony
• 1 Nelson, Ron (Ron A.)
• 1 Wakabayashi, Motoshi

• 7 English

• 1 Arizona
• 1 Hoover Dam (Ariz. and Nev.)
• 1 Nevada

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