Columbia subject headings:
Catholic Church--Bishops.
Catholic Church--Theology.
Church and the world.
Church music.
Dom zu Paderborn.
Ecumenical movement.
Harvard subject headings:
Catholic Church--Bishops.
Catholic Church--Doctrines--History.
Catholic Church--Theology.
Church and the world.
Church music.
Dom zu Paderborn.
Ecumenical movement.
Princeton subject headings: