Columbia subject headings:
Beethoven, Ludwig van, 1770-1827. Instrumental music.
Haydn, Joseph, 1732-1809. Instrumental music.
Instrumental music--History and criticism.
Mozart, Wolfgang Amadeus, 1756-1791. Instrumental music.
Music--18th century--History and criticism.
Music--19th century--History and criticism.
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827--Criticism and interpretation.
Haydn, Joseph, 1732-1809--Criticism and interpretation.
Instrumental music--Austria--Vienna--18th century--History and criticism.
Instrumental music--Austria--Vienna--19th century--History and criticism.
Mozart, Wolfgang Amadeus, 1756-1791--Criticism and interpretation.
Musical form.
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827. Instrumental music.
Haydn, Joseph, 1732-1809. Instrumental music.
Instrumental music--History and criticism.
Mozart, Wolfgang Amadeus, 1756-1791. Instrumental music.
Music--18th century--History and criticism.
Music--19th century--History and criticism.