Gw mau tau Peta dan stasiun dari Jalur Waterloo & City

The Engineer periodical dated 26 July 1895 and 2 August 1895 gives much more detail of the construction of the tunnels, the Greathead shield, the compressed air working and the electric locomotives, including a diagram of them. On-line versions of the periodical are available at Graces Guide .

Proceedings of the Institution of Civil Engineers, Voliume CXXXIX, 1899 - 1900 gives an extensive description of the construction phase