James Walker

1. Smith, Denis (1997): James Walker (1781–1862): Civil Engineer. In: Transactions of the Newcomen Society, v. 69, n. 1 (Januar 1997), S. 23-55.

   https://doi.org/10.1179/tns.1997.002

2. James Walker, LL.D, F.R.S., L.&E., ETC., 1781-1862. In: Minutes of the Proceedings of the Institution of Civil Engineers, v. 22, n. 1863 ( 1863), S. 630-633.

   https://doi.org/10.1680/imotp.1863.23362