G. W. Humphreys
- The London County Council Holborn-To-Strand Improvement and Tramway-Subway. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 183, n. 1911-1 ( 1911). (1911):
- The Main Drainage System of London. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 204, n. 1917-2 ( 1917). (1917):