P. W. Willans
- (1885): The Electrical Regulation of the Speed of Steam Engines and other Motors for Driving Dynamos. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 81, n. 1885-3 ( 1885).
- (1888): Economy Trials of a Non-Condensing Steam-Engine: Simple, Compound and Triple. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 93, n. 1888-3 ( 1888).
- (1893): Steam Engine Trials. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 114, n. 1893-4 ( 1893).
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