Columbia subject headings:
Liberalism--United States--History--20th century.
Politicians--United States--Biography.
Presidents--United States--Biography.
United States--Politics and government--20th century.
Harvard subject headings:
Liberalism--United States--History--20th century
Politicians--United States--Biography
Presidents--United States--Biography
United States--Politics and government--20th century.
Princeton subject headings:
Liberalism--United States--History--20th century.
Politicians--United States--Biography.
Presidents--United States--Biography.
United States--Politics and government--20th century.