Columbia subject headings:
Catholic Church--Controversial literature--Protestant authors.
Möhler, Johann Adam, 1796-1838. Symbolik.
Harvard subject headings:
Catholic Church--Controversial literature.
Catholic Church--Doctrinal and controversial works--Protestant authors.
Catholic Church--Doctrines--Protestant authors.
Catholic Church--Doctrines.
Möhler, Johann Adam, 1796-1838. Symbolik.
Princeton subject headings: