Columbia subject headings:
Harvard subject headings:
Acropolis (Athens, Greece)--History.
Athens (Greece)--Geography.
Athens (Greece)--Religion.
Greece--Civilization.
Greece--Social conditions--To 146 B.C.
Mythology, Greek--History.
Rivers--Symbolic aspects--Greece--Athens.
Soil erosion--Greece--Athens--History.
Soils and climate--Greece--Athens--History.
Princeton subject headings:
Acropolis (Athens, Greece)--History.
Athens (Greece)--Geography.
Athens (Greece)--Religion.
Greece--Social conditions--To 146 B.C.
Mythology, Greek--History.
Rivers--Symbolic aspects--Greece--Athens.