Columbia subject headings:
Authors, French--18th century.
French literature--18th century--History and criticism.
Music and language.
Music and literature.
Music--18th century--Philosophy and aesthetics.
Opera--France--18th century.
Harvard subject headings:
French literature--18th century--History and criticism
Music and language.
Music and literature--History--18th century.
Music--18th century--Philosophy and aesthetics.
Music--France--18th century--History and criticism
Opera--France--18th century
Princeton subject headings: