Columbia subject headings:
Abortion--Germany.
Abortion--Government policy--Germany.
Abortion--Religious aspects--Catholic Church.
Catholic Church--Germany--Regensburg--History.
Catholic Church--Societies, etc.--History.
Laity (Canon law)
Laity--Catholic Church--History--20th century.
Laity--History--20th century.
Harvard subject headings:
Catholic Church--Germany.
Laity--Catholic Church.
Princeton subject headings: