1. A Short History of the Steam Engine;Dickinson,1938
2. Chapter 6: The steam-engine to 1830;Dickinson,1958
3. A.M. Greene Jr., History of the ASME Boiler Code, ASME, 1955.
4. A Century of the Names and Scantlings of such Inventions;Somerset,1663
5. T. Savery, The Miner’s Friend, or an Engine to Rais Water by Fire, 1702 (Described, and of the Manner of Fixing it in Mines, with an Account of the Several Other Uses it is Applicable unto and an Answer to the Objections Made against it, S. Crouch, London).