Columbia subject headings:
Art--Germany--Trier--Exhibitions.
Christian art and symbolism--Germany--Trier--Exhibitions.
Harvard subject headings:
Art--Germany--Trier--Exhibitions.
Christian art and symbolism--Germany--Trier--Exhibitions.
Princeton subject headings:
Art--Germany (West)--Trier--Exhibitions.
Christian art and symbolism--Germany (West)--Trier--Exhibitions.