Columbia subject headings:
Harvard subject headings:
Christian sociology--Catholic Church--History of doctrines--19th century.
Christian sociology--Catholic Church--History of doctrines--20th century.
Christian sociology--Catholic Church.
Liberalism.
Princeton subject headings:
Christian sociology--Catholic Church--History of doctrines--19th century.
Christian sociology--Catholic Church--History of doctrines--20th century.
Christian sociology--Catholic Church.
Liberalism.