1. Barbour, J. (2020). A History of Thermodynamics. p. 35. http://platonia.com/A_History_of_Thermodynamics.pdf
2. Black, J. (1803). Lectures on the Elements of Chemistry. Lectures on the Elements of Chemistry, London. https://www.loc.gov/item/36031155/
3. Black, J. (1807). Lectures on the Elements of Chemistry. Mathew Carey, Philadelphia, pp. 151-152.
4. Capecchi, D. (2020). Epistemology and Natural Philosophy in the 18th Century: The Roots of Modern Physics. Springer Nature, pp. 473-549.
5. Cardwell, D. S. L. (1971). From Watt to Clausius: The Rise of Thermodynamics in the Early Industrial Age. Cornell University Press, p. 161.