Cicero Letters to Friends Shackleton 1978
Shackleton Bailey, D. R. (1978). Cicero’s Letters to his Friends. Penguin Books.
Nielsen, I. (1990). Thermae et balnea. 2 Vol. Viborg
Shackleton Bailey, D. R. (1978). Cicero’s Letters to his Friends. Penguin Books.
Francisco Socas (2003): Lucrecio: La Naturaleza, introducción, traducción y notas, BCG 216, Madrid, Gredos, ISBN 84-249-2683-8.
Mommsen, Th. (1894): Cassiodori Senatoris Variae, Monumenta Germaniae Historica – Auctores antiquissimi, vol. XII.
Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).