Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
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
Epigraphic Database Heidelberg. Inscriptions Database. URL: https://edh.ub.uni-heidelberg.de/inschrift/suche.
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.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Thermal Network).
