Philip Louis Pratley

1. Passfield, Robert W. (2007): Philip Louis Pratley (1884-1958): bridge design engineer. Dans: Canadian Journal of Civil Engineering / Revue canadienne de génie civil, v. 34, n. 5 (mai 2007), pp. 637-650.

   https://doi.org/10.1139/l06-130

2. Philip Louis Pratley, 1884-1958. Dans: Proceedings of the Institution of Civil Engineers, v. 12, n. 4 (avril 1959), pp. 569-570.

   https://doi.org/10.1680/iicep.1959.12108