Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
Cicerón Ático Gredos 1996
Rodríguez-Pantoja Márquez, M. (Ed.). (1996). Cicerón. Cartas I. Cartas a Ático (Cartas 1-161D) (Ser. Biblioteca Clásica Gredos). Editorial Gredos.
Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
Rodríguez-Pantoja Márquez, M. (Ed.). (1996). Cicerón. Cartas I. Cartas a Ático (Cartas 1-161D) (Ser. Biblioteca Clásica Gredos). Editorial Gredos.
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
Gruber, J. (2013): D. Magnus Ausonius, Mosella. Kritische Ausgabe, Übersetzung, Kommentar. De Gruyter. Berlin/Boston.
Shackleton Bailey, D. R. (1978). Cicero’s Letters to his Friends. Penguin Books.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).