- Capitalism--United States--History--19th century (1)
- Civil rights--United States--History--19th century (1)
- Democracy--United States--History--19th century (1)
- Labor and laboring classes--United States--History (1)
- Political parties--United States--History--19th century (1)
- Trade-unions--United States--History (1)
- Working class--United States--History--19th century (1)