Columbia subject headings:
Monasterio de Sahagún--History.
Spain--History--711-1516--Sources.
Harvard subject headings:
Monasterio de Sahagún--History.
Sahagún (Spain)--Church history--Sources.
Spain--History--711-1516--Sources.
Princeton subject headings:
Benedictines--Spain--Sahagún--History--Sources.
Monasterio de Sahagún--History--Sources.
Sahagún (Spain)--History--Sources.
Spain--History--711-1516--Sources.