Columbia subject headings:
Casares Cave (Spain)
Cave paintings--Spain--Riba de Saelices.
Excavations (Archaeology)--Spain--Riba de Saelices.
Hoz Cave (Spain)
Paleolithic period--Spain--Riba de Saelices.
Petroglyphs--Spain--Riba de Saelices.
Riba de Saelices (Spain)--Antiquities.
Harvard subject headings:
Casares Cave (Spain)
Excavations (Archaeology)--Spain--Guadalajara (Province)
Guadalajara (Spain : Province)--Antiquities.
Hoz Cave (Spain)
Petroglyphs--Spain--Guadalajara (Province)
Princeton subject headings: