N. J. Ruffle
- Derwent Dam – Design Considerations. In: Proceedings of the Institution of Civil Engineers, v. 45, n. 3 (March 1970). (1970):
- The Roofing of Cleadon Reservoir. In: Proceedings of the Institution of Civil Engineers, v. 5, n. 4 (July 1956). (1956):
- The Kielder Water Scheme. In: Proceedings of the Institution of Civil Engineers, v. 72, n. 2 (May 1982). (1982):