
"In Union is Power" poster, Labor graphic arts and poster collection, 1897-1983, Historical Collections and Labor Archives, Special Collections Library, University Libraries, Pennsylvania State University.
Founded in Columbus, Ohio in 1890, the United Mine Workers of America (UMW) was an influential member of the American Federation of Labor (AFL) and the driving force behind the creation of the Congress of Industrial Organizations (CIO) in 1937. The union grew rapidly under the CIO. Some materials in the United Mine Workers records may require advance authorization from the curator, Dr. Jim Quigel.
Collections that pertain to the United Mine Workers of America consists of approximately 1,500 linear feet. Several key UMWA collections include: