Columbia subject headings:
Composers--France--Biography.
Grétry, André-Ernest-Modeste, 1741-1813.
Grétry, André-Ernest-Modeste, 1741-1813. Operas.
Opera--France--History and criticism.
Harvard subject headings:
Composers--France--Biography
Grétry, André-Ernest-Modeste, 1741-1813
Grétry, André-Ernest-Modeste, 1741-1813. Operas
Opera--France
Princeton subject headings:
Composers--France--Biography.
Grétry, André-Ernest-Modeste, 1741-1813. Operas.
Opéra comique--France--18th century.