W. Barnes
- Methods of Excavation Work at Home and Abroad.. The Dugald Clerk Lecture, 1940. Dans: Journal of the Institution of Civil Engineers, v. 15, n. 3 (janvier 1941). (1941):
- The Dragline Excavator. Dans: Journal of the Institution of Civil Engineers, v. 14, n. 5 (mars 1940). (1940):