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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.
Magallón García, A. I. (2008). Cicerón. Cartas. Familiares. Gredos.
E. W. Sutton & H. Rackham (1967): Cicero in twenty-eight volumes. III De Oratore, 2 vols, ed. y trad., Loeb Classical Library 348, William Heinemann LTD/Harvard University Press, London/Cambridge, MA.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).
