Columbia subject headings:
Harvard subject headings:
Arnstadt (Germany)--Antiquities--Congresses.
Arnstadt (Germany)--Antiquities--Exhibitions.
City planning--Germany--Arnstadt--History--Congresses.
City planning--Germany--Arnstadt--History--Exhibitions.
Land settlement--Germany--Arnstadt--History--Congresses.
Land settlement--Germany--Arnstadt--History--Exhibitions.
Urban archaeology--Germany--Arnstadt--History--Congresses.
Urban archaeology--Germany--Arnstadt--History--Exhibitions.
Princeton subject headings:
Arnstadt (Germany)--Antiquities.
Arnstadt (Germany)--History.
Excavations (Archaeology)--Germany--Arnstadt.
Human geography--Germany--Arnstadt.