Columbia subject headings:
Folk literature--Themes, motives.
Heracles (Greek mythological character)
Mythology.
Religions--History.
Harvard subject headings:
Folk literature--Themes, motives
Heracles (Greek mythological character)
Mythology, Greek.
Mythology.
Religions--History
Princeton subject headings:
Folk literature--Themes, motives.
Heracles (Greek mythological character)
Mythology.
Religions--History.