Cicero Letters to Friends Shackleton 2001
Shackleton Bailey, D. R. (2001). Cicero. Letters to friends (Vol. 1). Harvard University Press.
Nielsen, I. (1990). Thermae et balnea. 2 Vol. Viborg
Shackleton Bailey, D. R. (2001). Cicero. Letters to friends (Vol. 1). Harvard University Press.
José Javier Iso (2002): Cicerón: Sobre el orador, introducción, traducción y notas, Biblioteca Clásica Gredos 300, Madrid, Gredos, ISBN 84-249-2334-0.
Marcus Deufert (2019): Titus Lucretius Carus: De Rerum Natura libri VI, BT 2028, de Gruyter, Berlin/Boston, ISBN 978-3-11-026251-3.
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).