The Petrography of the Millstone Grit of Yorkshire...[from the Quarterly Journal of the Geological society, Vol. lxxv, part 4, 1919].
n.p., 1920 (1919). [251-295 pp. + plates xv-xviii]. Illus. with b/w photos. 8vo. Original printed paper wrappers (paperback). Offprint. Scarce. Wrappers soiled, some rolling, but still about very good. More