Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
Martin Ferguson Smith (2001): Lucretius: On the Nature of Things, translated, with Introduction and Notes, Hackett Publishing Company Inc., Indianapolis/Cambridge, ISBN 0-87220-588-6.
Mommsen, Th. (1894): Cassiodori Senatoris Variae, Monumenta Germaniae Historica – Auctores antiquissimi, vol. XII.
Villar Vidal, José Antonio (2008) Períocas. Períocas de Oxirrinco. Fragmentos. Julio Obsecuente: Libro de los prodigios, introducción, traducción y notas de José Antonio Villar Vidal, Madrid, Gredos.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).
