H. T. Humphreys
- Cycloscope. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 25, n. 1866 ( 1866). (1866):
- Henry Temple Humphreys, 1839-1891. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 108, n. 1892-2 ( 1892). (1892):