Columbia subject headings:
Intellectuals--United States--Attitudes--History--20th century.
Liberalism--United States--History--20th century.
United States--Intellectual life--20th century.
Harvard subject headings:
Intellectuals--United States--Attitudes--History--20th century.
Liberalism--United States--History--20th century
United States--Intellectual life--20th century.
Princeton subject headings:
Intellectuals--United States--Attitudes--History--20th century.
Liberalism--United States--History--20th century.
United States--Intellectual life--20th century.