Accident At the Springhill Colliery, Ayrshire. Report On the Causes and Circumstances Attending the Accident Which Occurred At Springhill Colliery, Ayrshire, On the 18th July, 1917, From an Explosion of Firedamp, by W. Walker, H.m. Acting Chief Inspector of Mines. Cambridge [Eng.]: Proquest LLC, 2007.