Columbia subject headings:
Bible. Revelation--Congresses.
Mary, Blessed Virgin, Saint--Congresses.
Harvard subject headings:
End of the world--History of doctrines--Middle Ages, 600-1500--Congresses.
Mary, Blessed Virgin, Saint--History of doctrines--Middle Ages, 600-1500--Congresses.
Mary, Blessed Virgin, Saint--Theology--Congresses.
Princeton subject headings: