Columbia subject headings:
Harvard subject headings:
Mass (Music)--Portugal--16th century.
Mass (Music)--Portugal--17th century.
Mass (Music)--Portugal.
Mass (Music)--Spain--16th century.
Mass (Music)--Spain--17th century.
Mass (Music)--Spain.
Music--Manuscripts--Portugal.
Music--Manuscripts--Spain.
Princeton subject headings:
Mass (Music)--Portugal--16th century.
Mass (Music)--Portugal--17th century.
Mass (Music)--Spain--16th century.
Mass (Music)--Spain--17th century.