Columbia subject headings:
Harvard subject headings:
Political conventions--United States--History
Political culture--United States--History.
Political parties--United States--History
Presidents--United States--Election--History
Presidents--United States--Nomination--History.
Two-party systems--United States--History.
Princeton subject headings:
Political conventions--United States--History.
Political culture--United States--History.
Political parties--United States--History.
Presidents--United States--Election--History.
Presidents--United States--Nomination--History.
Two-party systems--United States--History.