Columbia subject headings:
Artisans--Germany--Trier--History--To 1500.
City planning--Germany--Trier--History--To 1500.
City walls--Germany--Trier--History--To 1500.
Finance, Public--Germany--Trier--History--To 1500.
Municipal buildings--Germany--Trier--History--To 1500.
Trier (Germany)--Buildings, structures, etc.--History--To 1500.
Trier (Germany)--Economic conditions--To 1500.
Harvard subject headings:
Artisans--Germany--Trier--History--To 1500.
City planning--Germany--Trier--History--To 1500.
City walls--Germany--Trier--History--To 1500.
Finance, Public--Germany--Trier--History--To 1500.
Municipal buildings--Germany--Trier--History--To 1500.
Trier (Germany)--Buildings, structures, etc.--History--To 1500.
Trier (Germany)--Economic conditions--To 1500.
Princeton subject headings: