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). Cambridge Univ. Press.
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). Cambridge Univ. Press.
Tadeusz Maslowski (1995) M. Tulli Ciceronis scripta quae manserunt omnia. Fasc. 23: Orationes in P. Vatinium testem, Pro M. Caelio, Biblotheca Scriptorum Graecorum et Romanorum Teubneriana, Stutgardiae et Lipsiae, in aedibus B.G. Teubneri,
Epigraphic Database Heidelberg. Inscriptions Database. URL: https://edh.ub.uni-heidelberg.de/inschrift/suche.
Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Thermal Network).