Columbia subject headings:
Catholic Church--United States--History--20th century.
Christianity and culture.
Radicals--United States--History--20th century.
United States--Intellectual life--20th century.
Harvard subject headings:
Catholic Church--United States--History--20th century.
Christianity and culture.
Radicals--United States--History--20th century.
Subculture--United States.
United States--Intellectual life--20th century.
Princeton subject headings:
Catholic Church--United States--History--20th century.
Christianity and culture.
Radicals--United States--History--20th century.
United States--Intellectual life--20th century.