Columbia subject headings:
Harvard subject headings:
Architecture--Spain--Herrera de Pisuerga--History.
Camaldolese.
Monasteries--Spain--Herrera de Pisuerga--History.
Monastic and religious life--Spain--Herrera de Pisuerga--History.
Princeton subject headings:
Architecture--Spain--Herrera de Pisuerga--History.
Camaldolese.
Monasteries--Spain--Herrera de Pisuerga--History.
Monastic and religious life--Spain--Herrera de Pisuerga--History.