9 · Classical Mythology and Ancient History
94 · the Greek heroic legends (I)
94L · (story of) Hercules (Heracles)
94L3 · most important deeds of Hercules: the Twelve Labours
94L32 · the Twelve Labours: first series
94L322 · (2) the Hydra of Lerna is killed by Hercules
94L3221 ·
the Hydra is killed by Hercules assisted by Iolaus, who sears the roots of the severed heads with burning brands; an enormous crab nips Hercules' foot