Columbia subject headings:
Music--Portugal--16th century--History and criticism.
Music--Portugal--17th century--History and criticism.
Music--Portugal--18th century--History and criticism.
Music--Portugal--19th century--History and criticism.
Music--Portugal--20th century--History and criticism.
Harvard subject headings:
Music--Portugal--16th century--History and criticism.
Music--Portugal--17th century--History and criticism.
Music--Portugal--18th century--History and criticism.
Music--Portugal--19th century--History and criticism.
Music--Portugal--20th century--History and criticism.
Princeton subject headings:
Music--Portugal--History and criticism--Congresses.