D. A. Stevenson
- The Dhu Heartach Lighthouse. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 46, n. 1876-4 ( 1876). (1876):
- Ailsa Craig Lighthouse and Fog Signals. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 89, n. 1887-3 ( 1887). (1887):