Columbia subject headings:
Church and state--Catholic Church.
Church and state--Germany.
Ecclesiastical law--Germany.
Ecclesiastical law.
Harvard subject headings:
Church and state--Catholic Church
Church and state--Germany
Ecclesiastical law--Germany.
Ecclesiastical law.
Princeton subject headings:
Church and state--Catholic Church.
Church and state--Germany.
Ecclesiastical law--Germany.
Ecclesiastical law.