1. Agricola G. (1556) De Re Metallica (The Mining Magazine, London) Translation by Hoover, H. C. & Hoover, L. H. 1912.
2. Radioactivity and dissolved gases in the thermal waters of Bath;Andrews,1991
3. The thermal springs of Bath
4. (1938) Bath Official Handbook. BATH CITY COUNCIL.
5. Batten E. C. (1877) Proceedings of the. Somerset Archaeological and Natural History Society On the causes of heat in the Bath Waters, 22, pp 52–60.