Columbia subject headings:
Athens (Greece)--Antiquities.
Athens (Greece). Propylaea.
Excavations (Archaeology)--Greece--Athens.
Greece--Antiquities.
Harvard subject headings:
Athens (Greece)--Antiquities.
Excavations (Archaeology)--Greece--Athens
Greece--Antiquities.
Propylaea (Acropolis, Athens, Greece)
Propylaea (Athens, Greece)
Princeton subject headings:
Acropolis (Athens, Greece)
Athens (Greece)--Antiquities.
Entrance halls--Greece--Athens.
Excavations (Archaeology)--Greece--Athens.
Greece--Antiquities.