Columbia subject headings:
Faith--History of doctrines--19th century.
Faith--History of doctrines--20th century.
Liberalism (Religion)--History of doctrines--19th century.
Liberalism (Religion)--History of doctrines--20th century.
Troeltsch, Ernst, 1865-1923.
Harvard subject headings:
Faith--History of doctrines--19th century.
Faith--History of doctrines--20th century.
Liberalism (Religion)--History of doctrines--19th century.
Liberalism (Religion)--History of doctrines--20th century.
Troeltsch, Ernst, 1865-1923.
Princeton subject headings: