Columbia subject headings:
Harvard subject headings:
Carthusians--Spain--Altura--History.
Cartuja de Porta Coeli--History.
Cartuja de Val de Cristo (Altura, Spain)--History.
Charterhouses--Spain.
Princeton subject headings:
Carthusians--Spain--History.
Cartuja de Val de Cristo (Altura, Spain)--History.
Charterhouses--Spain--History.