Columbia subject headings:
Aachen (Germany)--Buildings, structures, etc.
Rathaus zu Aachen (Aachen, Germany)
Harvard subject headings:
Aachen (Germany)--Buildings, structures, etc.
City halls--Germany--Aachen--Conservation and restoration.
City halls--Germany--Aachen--History.
Rathaus zu Aachen (Aachen, Germany)
Princeton subject headings:
Aachen (Germany)--Buildings, structures, etc.
City halls--Germany--Aachen--Conservation and restoration.
City halls--Germany--Aachen--History.
Rathaus zu Aachen (Aachen, Germany)