By L. Rolt
By Astill, A. W., Martin, L. H.
By Majid, K. I.
By Marshall, William Thomas, Nelson, H.M.
By Subhamoy Bhattacharya, Sourav Ghosh, Domenico Lombardi, Nicholas A. Alexander
By Brian Totterdill
By Rakodi, Carole
By Derek Forsyth, et al