Columbia subject headings:
Coygan Rock.
Harvard subject headings:
Antiquities, Prehistoric--Wales--Carmarthenshire.
Britons--Wales--Carmarthenshire.
Britons.
Carmarthenshire (Wales)--Antiquities, Celtic.
Carmarthenshire (Wales)--Antiquities, Roman.
Coygan Rock Site (Wales)
Coygan Rock.
Prehistoric peoples--Wales--Dyfed.
Romans--Wales--Carmarthenshire.
Romans--Wales--Dyfed.
Princeton subject headings:
Antiquities, Prehistoric--Wales--Carmarthenshire.
Britons.
Carmarthenshire (Wales)--Antiquities, Celtic.
Carmarthenshire (Wales)--Antiquities, Roman.
Coygan Rock.
Romans--Wales--Carmarthenshire.