Columbia subject headings:
Catholic Church--History--19th century.
Kraus, Franz Xaver, 1840-1901.
Liberalism (Religion)--Catholic Church--History--19th century.
Harvard subject headings:
Catholic Church--History--19th century.
Kraus, Franz Xaver, 1840-1901
Liberalism (Religion)--Catholic Church--History--19th century.
Princeton subject headings: