Columbia subject headings:
City walls--Netherlands--Arnhem.
Fortification--Netherlands--Arnhem.
Gates--Netherlands--Arnhem.
Huis der Provincie (Arnhem, Netherlands)--History.
Public buildings--Netherlands--Arnhem.
Sabelspoort (Arnhem, Netherlands)--History.
Harvard subject headings:
Arnhem (Netherlands)--Buildings, structures, etc.
City walls--Netherlands--Arnhem.
Fortification--Netherlands--Arnhem.
Gates--Netherlands--Arnhem.
Huis der Provincie (Arnhem, Netherlands)--History.
Sabelspoort (Arnhem, Netherlands)--History.
Princeton subject headings: