Columbia subject headings:
Harvard subject headings:
Music theory--Early works to 1800.
Music theory--History--16th century--Early works to 1800.
Music theory--History--16th century.
Salinas, Francisco, 1513-1590. Musices liber tertius.
Princeton subject headings:
Music theory--History--16th century.
Music--Manuscripts--Spain--Madrid--Facsimiles.
Musical intervals and scales.