Sadi Carnot’s book : https://sites.pitt.edu/~jdnorton/teaching/2559_Therm_Stat_Mech/docs/Carnot%20Reflections%201897%20facsimile.pdf
Other references:
- Thomson, William. 1849. “XXXVI.—An Account of Carnot’s Theory of the Motive Power of Heat; with Numerical Results Deduced from Regnault’s Experiments on Steam.,” January. https://doi.org/10.1017/s0080456800022481.
- Klein, Martin J. 1974. “Carnot’s Contribution to Thermodynamics.” Physics Today 27 (8): 23–28. https://doi.org/10.1063/1.3128802.
- Asimov, Isaac. 1982. Asimov’s Biographical Encyclopedia of Science and Technology : The Lives and Achievements of 1510 Great Scientists from Ancient Times to the Present Chronologically Arranged. Garden City, N.Y. : Doubleday. http://archive.org/details/asimovsbiographi00asim.
- Carnot, Sadi. 2005. Reflections on the Motive Power of Fire : And Other Papers on the Second Law of Thermodynamics by E. Clapeyron and R. Clausius. New York : Dover. http://archive.org/details/reflectionsonmot0000carn_a8p6.
- Dass, N. D. Hari. 2013. The Principles of Thermodynamics. 1st edition. Boca Raton: CRC Press.