Columbia subject headings:
Harvard subject headings:
Düsseldorf (Germany)--Antiquities.
Düsseldorf (Germany)--History--Sources.
Inscriptions, Latin--Germany--Düsseldorf.
Inscriptions--Germany--Düsseldorf.
Princeton subject headings:
Catalogs.
Inscriptions, German--Germany--Düsseldorf--Catalogs.
Inscriptions, Latin--Germany--Düsseldorf--Catalogs.