customs
The Sibyl and the Sibylline Books
Sibylla / libri Sibyllini
A prophetic priestess (the Sibyl, especially of Cumae) whose collected oracular utterances Rome preserved as the Sibylline Books, consulted by the state in times of crisis.
Where this idea shows up
3 Greek sourcesWhere to read it
- Quaestiones Romanae120 CEPlutarch· Chaeronea