"Appalachian agreement."; "National Coal Association."; "United Mine Workers of America."; "Collective labor agreements--Coal mining industry--United States.", "Collective labor agreements--Coal mining industry--Appalachian Region."; "National Coal Association."; "1934"; "

Mimeograph of typescript.

"; ""; "P12104"; "pec"; "Collective labor agreements--Coal mining industry--Appalachian Region.", "Collective labor agreements--Coal mining industry--United States.", "United Mine Workers of America."; "14256"; .