"Statement made by the Operators' Association of the Williamson Field before the Sub-Committee of the Committee on Education and Labor of the United States Senate : appointed to investigate conditions in the coal fields of West Virginia in the territory adjacent to Kentucky. "; "Operators' Association of the Williamson Field."; "United Mine Workers of America."; "Coal miners--Labor unions--West Virginia.", "Strikes and lockouts--Coal mining--West Virginia.", "Labor disputes--West Virginia.", "Coal miners--West Virginia.", "Coal mines and mining--West Virginia.", "West Virginia Mine Wars, W. Va., 1897-1921."; "Operators' Association of the Williamson Field."; "1921"; "

Monograph.

"; ""; "P19118"; "pec"; "Coal miners--Labor unions--West Virginia.", "United Mine Workers of America.", "Strikes and lockouts--Coal mining--West Virginia.", "Coal miners--West Virginia.", "Coal mines and mining--West Virginia.", "West Virginia Mine Wars, W. Va., 1897-1921.", "Labor disputes--West Virginia."; "14256"; .