Columbia subject headings:
Political parties--United States.
Socialism--United States.
Socialist Party (U.S.)
United States--Economic policy.
United States--Politics and government.
United States--Social conditions.
Harvard subject headings:
Political parties--United States
Socialism--United States
Socialist Party (U.S.)
United States--Economic policy.
United States--Politics and government.
United States--Social conditions.
Princeton subject headings: