Columbia subject headings:
Harvard subject headings:
Catholic Church--Doctrines--History--20th century.
Families--Religious life.
John Paul II, Pope, 1920-2005
Sex--Religious aspects--Catholic Church--History of doctrines--20th century.
Princeton subject headings:
Catholic Church--Doctrines.
Families--Religious life.
John Paul II, Pope, 1920-2005.
Sex--Religious aspects--Catholic Church.