1. Brown, Sanborn C., “The Caloric Theory of Heat”, American Journal of Physics, 18 (1950), 367–373.
2. Cardwell, Donald S. L., “Some Factors in the Early Development of the Concepts of Power, Work and Energy”, The British Journal for the History of Science, 3 (1967), 209–224.
3. Cardwell, Donald S. L., From Watt to Clausius (The Rise of Thermodynamics in the Early Industrial Age), Cornell University, Ithaca, 1971.
4. Fox, Robert, “Watt’s Expansive Principle in the Work of Sadi Carnot and Nicolas Clément”, Notes and Records of the Royal Society of London, 24 (1970), 233–253.
5. Fox, Robert, “The Intellectual Environment of Sadi Carnot: A New Look”, Actes des XIIe Congrès International d’histoire des Sciences, Paris-1968, IV (1971), 67–72.