Our ancient sources for this episode include:
Plutarch’s On the Bravery of Women (Loeb Classical Library edition)
Cassius Dio’s Roman History (Earnest Cary translation)
Diodorus Siculus’ Library of History (C.H. Oldfather translation)
The Historia Augusta (Susan H. Ballou and Hermann Peter translation)
And our modern sources include:
Europe Before Rome: A Site-By-Site Tour of the Stone, Bronze and Iron Ages by Douglas T. Price
Solly, Mellan. “See the Face of Hilda, a Toothless Iron Age Druid Woman.” Smithsonian, Aug. 19, 2019
Evert Hopman, Ellen, Druidess, Order of the Whiteoak. “The Evidence for Female Druids.”
From the Book of Invasions: The Conquest of Nemed, The Conquest of The Fir Bolg, The Conquest of the Sons of Mil and The Conquest of The Tuatha De Danann.
Fitzpatrick-Matthews, Keith. “The Woman and Three Babies: The Sad Story of a Real Person.” North Hertfordshire Museum, March 25, 2020.