Columbia subject headings:
Dom (Trier, Germany)
Trier (Germany)--Antiquities, Roman.
Harvard subject headings:
Christian art and symbolism--Germany--Trier.
Church decoration and ornament--Germany--Trier.
Dom (Trier, Germany)
Mural painting and decoration, Early Christian--Germany--Trier.
Trier (Germany)--Antiquities, Roman.
Princeton subject headings:
Dom (Trier, Germany)
Trier (Germany)--Antiquities, Roman.