• 2 History
• 1 African Americans
• 1 Central Pacific Railroad Company
• 1 Cherokee Indians
• 1 Design and construction
• 1 Documentary films
• 1 Exhibitions
• 1 Indians of North America
• 1 Indigenous peoples
• 1 Jefferson, Thomas, 1743-1826
• 1 Louisiana Purchase Exposition (1904 : Saint Louis, Mo.)
• 1 Pacific railroads
• 1 Public opinion
• 1 Race
• 1 Race awareness
• 1 Railroads
• 1 Slavery
• 1 Social aspects
• 1 Union Pacific Railroad Company
• 1 White supremacy movements

• 1 Allen, Richard
• 1 Baker, Lee D., 1966-
• 1 Bay, Mia
• 1 Berlin, Ira, 1941-2018
• 1 California Newsreel (Firm)
• 1 Finkelman, Paul, 1949-
• 1 Fredrickson, George M., 1934-2008
• 1 Guterl, Matthew Pratt, 1970-
• 1 Hammonds, Evelynn Maxine
• 1 Horsman, Reginald
• 1 Horton, James Oliver
• 1 Independent Television Service
• 1 Kelley, Robin D. G
• 1 Malcomson, Scott L
• 1 Ngai, Mae M
• 1 Perdue, Theda, 1949-
• 1 Pounder, C. C. H
• 1 Raphael, Max
• 1 Rydell, Robert W
• 1 Smedley, Audrey
• 1 Strain, Tracy Heather

• 2 English

• 2 United States

• 2 Internet videos
• 1 Documentary television programs

Limit year range