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.
Alvar Ezquerra 1990
Alvar Ezquerra, A. (1990): Décimo Magno Ausonio Obras, 2 vols. Gredos. Madrid.
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.
Alvar Ezquerra, A. (1990): Décimo Magno Ausonio Obras, 2 vols. Gredos. Madrid.
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
Fauvinet-Ranson, V. (2006). Decor civitatis, decor Italiae: monuments, travaux publics et spectacles au VIe siècle d’après les Variae de Cassiodore. Bari: Edipuglia.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Thermal Network).