Columbia subject headings:
Liberalism--United States--History--20th century.
United States--Politics and government--1961-1963.
United States--Politics and government--1963-1969.
Harvard subject headings:
Liberalism--United States--History--20th century
United States--Politics and government--1961-1963.
United States--Politics and government--1963-1969.
Princeton subject headings:
Liberalism--United States--History--20th century.
United States--Politics and government--1961-1963.
United States--Politics and government--1963-1969.