• 35 Videos, Slides, Films

• 7 Study and teaching
• 7 World War, 1939-1945
• 6 Politics and government
• 4 Economic conditions
• 4 Frontier and pioneer life
• 4 Imperialism
• 3 Commerce
• 3 Depressions
• 3 Emigration and immigration
• 3 Immigrants
• 3 Industrialization
• 3 Labor
• 3 Power (Social sciences)
• 3 Territorial expansion
• 2 Biography
• 2 Earhart, Amelia, 1897-1937
• 2 Hydrology
• 2 Outlaws
• 2 Political activists
• 2 Reconstruction (U.S. history, 1865-1877)
• 2 Water
• 1 African American inventors
• 1 Architecture, American
• 1 Armed Forces

• 35 Films Media Group
• 35 Films for the Humanities & Sciences (Firm)
• 11 Infobase

• 35 English

• 1 Appomattox County (Va.)
• 1 Chicago (Ill.)
• 1 Grand Coulee Dam (Wash.)
• 1 San Antonio, Texas
• 1 San Francisco (Calif.)
• 1 Texas
• 1 Wyoming

Limit year range