Nadin, Jack; NMRS (1999); British Mining 64 - Coal Mines around Accrington & Blackburn; ISBN 0901450 51 0; pp.8,23,48,57-68,83,108-109,152,164.
Various (1920); BGS - Mineral Resources of GB (c1920s) Vols XIV, XV, XVI, XVII, XVIII - Fireclay; Arsenic & Antimony Ores; Refactory Materials, Lead & Zinc of Scotland, Rock-Salt and Brine (5 books); 777 pages