Columbia subject headings:
Altars--Europe.
Church history--Middle Ages, 600-1500.
Europe--Church history.
Image (Theology)
Harvard subject headings:
Altarpieces, Medieval--Europe--Congresses.
Altars, Medieval--Europe--Congresses.
Church decoration and ornament--Europe--History--Congresses.
Church history--Middle Ages, 600-1500--Congresses.
Europe--Church history--Congresses.
Image (Theology)--Congresses.
Narrative art--Europe--Religious aspects--Congresses.
Princeton subject headings:
Altars--Europe.
Church history--Middle Ages, 600-1500.
Europe--Church history.
Image (Theology)