Columbia subject headings:
City walls--Italy--Paestum (Extinct city)
Paestum (Extinct city)--Bibliography.
Paestum (Extinct city)--Description and travel.
Paestum (Extinct city)--History--Sources.
Harvard subject headings:
City walls--Italy--Paestum (Extinct city)
Paestum (Extinct city)--Bibliography.
Paestum (Extinct city)--Description and travel.
Paestum (Extinct city)--History--Sources.
Princeton subject headings: