Mary Shelley claimed in the introduction to her novel, The Last Man, that in 1818 she discovered, in the Sibyl's cave near Naples, a collection of prophetic writings painted on leaves by the Cumaean Sibyl.
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Geoffrey Hill's poem "After Cumae" in For the Unfallen (1958) also refers to the Sibyl's 'mouthy cave'.
Sibyl | Temple of the Sibyl | sibyl | Raphael's rendering of the Phrygian Sibyl | Phrygian Sibyl from ''Guillaume Rouillé |