Columbia subject headings:
Harvard subject headings:
Labor and laboring classes--United States.
Labor--United States
Reconstruction (1914-1939)--United States.
United States--Economic conditions--1918-1945.
United States--Politics and government.
Working class--United States
Princeton subject headings:
Labor--United States.
Reconstruction (1914-1939)--United States.
United States--Economic conditions--1918-1945.
United States--Politics and government.