Shackleton Bailey, D.R. (1987). Cicero: Epistulae ad Atticum. Stutgardiae. B.G. Teubneri.
Allen 1998
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
Shackleton Bailey, D.R. (1987). Cicero: Epistulae ad Atticum. Stutgardiae. B.G. Teubneri.
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
Klingner, Friedrich (2008=19593): Q. Horatius Flaccus Opera, Bibliotheca Scriptorum Graecorum et Romanorum Teubneriana, Berolini et Novi Eboraci, Walter de Gruyter, ISBN 978-3-11-020293-9.
Shackleton Bailey, David Roy (Ed.). (2004). Cicero’s letters to Atticus. Vol IV, 49 B.C., 133-210 (Books VII. 10-X). Cambridge University Press.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).