Columbia subject headings:
Dolmens--Spain--Mérida.
Excavations (Archaeology)--Spain--Mérida.
Mérida (Spain)--Antiquities.
Harvard subject headings:
Dolmens--Spain--Mérida.
Excavations (Archaeology)--Spain--Mérida.
Mérida (Spain)--Antiquities.
Princeton subject headings: