Columbia subject headings:
Latin literature, Medieval and modern--History and criticism--Congresses.
Music and mythology.
Mythology, Greek, in music.
Opera--Germany--17th century.
Orpheus (Greek mythological character)
Harvard subject headings:
Latin literature, Medieval and modern--History and criticism.
Music and mythology.
Mythology, Greek, in music.
Opera--Germany--17th century.
Orpheus (Greek mythological character)--In opera.
Princeton subject headings:
Latin literature, Medieval and modern--History and criticism--Congresses.
Music and mythology.
Mythology, Greek, in music.
Opera--Germany--17th century.
Orpheus (Greek mythological character)