1. Watt, J. (1818) The Articles Steam and Steam-Engines. John Murray, London.
2. Farey, J. (1827) A Treatise on the Steam Engine: Historical, Practical, and Descriptive. David & Charles, London.
3. Thermodynamics of James Watt – Ignored or not Understood?
4. A History of Thermodynamics: The Missing Manual
5. Stuart, R. (1824) A Descriptive History of the Steam Engine. J. Knight and H. Lacey, London.