H. W. Tyler
- On the Working of Sharp Gradients and Sharp Curves on Railways. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 26, n. 1867 ( 1867). (1867):
- On the Festiniog Railway for Passengers: as a 2-Feet Gauge, with Sharp Curves, and Worked by Locomotive Engines. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 24, n. 1865 ( 1865). (1865):