Columbia subject headings:
Mary, Blessed Virgin, Saint--Religion.
Mary, Blessed Virgin, Saint--Virginity.
Virgin birth--History of doctrines.
Virgin birth.
Harvard subject headings:
Childbirth--Religious aspects--Christianity.
Jesus Christ--Nativity.
Mary, Blessed Virgin, Saint--Theology.
Mary, Blessed Virgin, Saint--Virginity.
Virgin birth.
Princeton subject headings: