Columbia subject headings:
Art, Prehistoric--Spain--Galicia (Region)
Galicia (Spain : Region)--Antiquities.
Petroglyphs--Spain--Galicia (Region)
Harvard subject headings:
Art, Prehistoric--Spain--Galicia (Region)
Galicia (Spain : Region)--Antiquities.
Petroglyphs--Spain--Galicia (Region)
Prehistoric peoples--Spain--Galicia (Region)
Religion, Prehistoric--Spain--Galicia (Region)
Princeton subject headings: