"Proceedings of a Conference on the Commercial and Economic Health of the Bituminous Coal Industry held at West Virginia University, November 13, 1953. "; "Conference on the Commercial and Economic Health of the Bituminous Coal Industry (1953 : West Virginia University)"; "Coal--West Virginia--Congresses."; "Conference on the Commercial and Economic Health of the Bituminous Coal Industry (1953 : West Virginia University)"; "1954"; "Journal issue. Issued as: West Virginia Business and Economic Studies, v.3:no.1 (1954:Jan.)"; ""; "P1775"; "pec"; "Coal--West Virginia--Congresses."; "14256"; .