H. C. Whitehead
- The Treatment of Sewage Sludge by Bacterial Digestion. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 233, n. 1932-1 ( 1932). (1932):
- The Design of Sewage-Purification Works. Dans: Journal of the Institution of Civil Engineers, v. 16, n. 5 (mars 1941). (1941):