* Sir Patrick Abercrombie, Revised by D. Rigby Childs, "Town and Country Planning", Third Edition, Oxford University Press, 1959, Reprinted 1961 and 1967.
* Sir Patrick Abercrombie, Revised by D.Rigby Childs, "Town and Country Planning", ThirdEdition, Oxford University Press, 1959, Reprinted 1961 and 1967.