"Initially the patient felt decidedly cold, then merely cool, and finally increasingly warm until s/he broke out in perspiration, rather akin to a fever."
1.
Taking the cure / E S Turner — London : Michael Joseph, 1967 Other works can be found under Hydropathy in the Sources consulted section of the site
2.
Practical hydropathy / John Smedley. — 12th ed. — London : Kent, 1870
3.
Pillars of Hercules, or, a narrative of travels in Spain & Morocco in 1848 / David Urquhart. — London : Bentley, 1850