Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Germany--Pförring.
Fortification, Roman--Germany--Pförring.
Kastell Pförring (Pförring, Germany)--History.
Pförring (Germany)--Antiquities--Catalogs.
Pförring (Germany)--Pictorial works.
Princeton subject headings:
Catalogs.
Excavations (Archaeology)--Germany--Pförring.
Fortification, Roman--Germany--Pförring.
Kastell Pförring (Pförring, Germany)--History.
Pförring (Germany)--Antiquities--Catalogs.
Pförring (Germany)--Pictorial works.