Columbia subject headings:
Arts, Modern--Themes, motives--Congresses.
Mythology, Greek, in art--Congresses.
Orpheus (Greek mythological character)--Congresses.
Orpheus (Greek mythological character)--In literature--Congresses.
Harvard subject headings:
Arts, Modern--Themes, motives--Congresses.
Mythology, Greek, in art--Congresses.
Orpheus (Greek mythological character)--Congresses.
Orpheus (Greek mythological character)--In literature--Congresses.
Princeton subject headings:
Arts, Modern--Themes, motives--Congresses.
Mythology, Greek, in art--Congresses.
Orpheus (Greek mythological character)--In literature--Congresses.