Columbia subject headings:
Liberalism--United States--History.
Materialism--United States--History.
Political science--United States--History.
United States--Politics and government.
Harvard subject headings:
Liberalism--United States--History
Materialism--United States--History.
Political science--United States--History
United States--Politics and government.
Princeton subject headings:
Liberalism--United States--History.
Materialism--United States--History.
Political science--United States--History.
United States--Politics and government.