Columbia subject headings:
Catholic Church--Controversial literature--Protestant authors.
Catholic Church--Controversial literature.
Catholic Church--United States.
Church and state--United States.
Harvard subject headings:
Catholic Church--Controversial literature.
Catholic Church--Doctrines.
Catholic Church--United States.
Church and state--United States
Princeton subject headings:
Catholic Church--Controversial literature--Protestant authors.
Catholic Church--Doctrines--Protestant authors.
Catholic Church--United States.
Church and state--United States.