Shackleton Bailey, David R. (2004). Cicero’s letters to Atticus Vol. 3 51 – 50 B.C.: 94 – 132 (books V – VII, 9) (Ser. Cabridge Classical Texts and Commentaries). Cambridge Univ. Press.
J. F. Valverde y A. Ramírez de Verguer (1997). Marcial: Epigramas. Biblioteca Clásica de Gredos, Madrid.
Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
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. (Ed.). (1965). Cicero’s letters to Atticus Vol. 2 58 – 54 B.C.: 46 – 93 (books III and IV) (Vol. 2, Ser. Cabridge Classical Texts and Commentaries).
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Thermal Network).
