Columbia subject headings:
Birth control--Religious aspects--Catholic Church--History of doctrines.
Contraception--Religious aspects--Catholic Church--History of doctrines.
Harvard subject headings:
Birth control--Religious aspects--Catholic Church--History of doctrines.
Contraception--Religious aspects--Catholic Church--History of doctrines.
Princeton subject headings:
Birth control--Religious aspects--Catholic Church--History of doctrines.
Contraception--Religious aspects--Catholic Church--History of doctrines.