H. H. D. Hay
- Trigonometrical Surveying. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 80, n. 1885-2 ( 1885). (1885):
- The Waterloo and City Railway. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 139, n. 1900-1 ( 1900). (1900):