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Aelian, Various Histories, Book VII, Chapter 8, translated by N. G. Wilson.
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W.G. Spencer (1935) Celsus De medicina, 3 vols., Loeb Classical Library, London/Cambridge MA, William Heinemann LTD/Harvard University Press.
Allen, T.J. (1998): Roman healing spas in Italy: a study in design and function. PhD. University of Alberta. Alberta. DOI: 10.7939/R3XK84W4C
A research website about Archaeology of Ancient Roman Thermalism — and a meeting point for researchers and other people interested in this subject (Red Termal).
