Shackleton Bailey, D. R. (1978). Cicero’s Letters to his Friends. Penguin Books.
Shackleton Bailey, David R. (Ed.). (2004b). Cicero’s letters to Atticus Vol. 5 48 – 45 B.C.: 211 – 354 (books XI to XIII). Cambridge Univ. Press.
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Thermal Network).
