Greenwich Foot Tunnel

1. Copperthwaite, W. C. (1902): The Greenwich Footway Tunnel. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 150, n. 1902-4 ( 1902), pp. 1-24.

   https://doi.org/10.1680/imotp.1902.18291

2. Un tunnel sous la Tamise. Dans: Bulletin de la Société vaudoise des ingénieurs et des architectes, v. 18, n. 1-2 (mars 1892).

   https://doi.org/10.5169/seals-16933