Trueman, Arthur E., 1894-1956. Geology and scenery in England and Wales / - New ed., completely revised by J. B. Whittow and J. R. Hardy. - Harmondsworth, Penguin, 1971. - 400 p. : illus., maps. ; 20 cm. - Pelican books . Bibliography: p. 373-374. ISBN: 0140201858 Subjects--Topical Terms: Geology--England Subjects--Geographic Terms: England--Description and travel LC Class. No.: QE261 Dewey Class. No.: 554.2