Columbia subject headings:
Aachen (Germany)--Antiquities.
Inscriptions, Latin--Germany--Aachen.
Inscriptions--Germany--Aachen.
Harvard subject headings:
Aachen (Germany)--Antiquities.
Inscriptions, Latin--Germany--Aachen.
Inscriptions--Germany--Aachen.
Princeton subject headings:
Aachen (Germany)--Antiquities.
Inscriptions, Latin--Germany--Aachen.
Inscriptions--Germany--Aachen.