Columbia subject headings:
Architecture, Greek.
Erechtheum (Athens, Greece)
Propylaea (Athens, Greece)
Harvard subject headings:
Architecture, Greek.
Erechtheum (Athens, Greece)
Propylaea (Acropolis, Athens, Greece)
Propylaea (Athens, Greece)
Princeton subject headings:
Architecture, Greek.
Erechtheum (Athens, Greece)
Propylaea (Acropolis, Athens, Greece)