Columbia subject headings:
Harvard subject headings:
Coal miners--West Virginia--History.
Coal mines and mining--West Virginia--History.
United Mine Workers of America. District 17--History.
West Virginia Mine Wars, W. Va., 1897-1921.
Princeton subject headings:
Coal miners--West Virginia--History.
Coal mines and mining--West Virginia--History.
United Mine Workers of America. District 17--History.
West Virginia Mine Wars, W. Va., 1897-1921.