This article from Oxford Research Encyclopedia has a discussion of the architecture of the baths (using the Latin term Thermae):
Yegül, Fikret. "baths and bathing." Oxford Classical Dictionary. July 30, 2020. Oxford University Press. Date of access 14 Jan. 2025, <https://oxfordre.com/
And this is a short article about the architect of the baths, Apollodorus of Damascus:
Purcell, Nicholas. "Apollodorus (7), of Damascus, Greek architect for Trajan, 2nd cent. CE." Oxford Classical Dictionary. December 22, 2015. Oxford University Press. Date of access 14 Jan. 2025, <https://oxfordre.com/
Here is a link to the Roman Tourism board's English language website for the baths:
Trajan's Baths, Dipartimento Grandi Eventi, Sport, Turismo e Moda di Roma Capitale https://www.
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