Minutes of evidence of the Royal Commission (Mr. Justice Davidson, Mr. S. McKensey and Mr. F. Lowden) appointed to inquire and report upon the Safety and Health of Workers in Coal Mines : together with appendices. - Davidson, C. G. W. (Colin George Watt), 1878-1954; McKensey, S.; Lowden, F. (Parliamentary paper (New South Wales. Parliament), 1939)