Columbia subject headings:
Amphictyonic League.
Harvard subject headings:
Amphictyonic league--History.
Amphictyonic league--Membership.
Apollo (Deity)--Cult--Greece--Delphi (Extinct city)
Delphi (Extinct city)--Social conditions.
Princeton subject headings:
Amphictyonic League.
Delphi (Extinct city)
Greece--History--To 146 B.C.
Greece--Politics and government--To 146 B.C.