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Subject Terms


Topics
  • Industries -- Pennsylvania -- Braddock
  • Steel industry and trade -- Pennsylvania -- Braddock -- History
  • Steel industry and trade -- Pennsylvania -- Pittsburgh
  • Steel industry and trade -- United States -- History
  • Supervisors, Industrial -- Pennsylvania -- Braddock -- History

Personal Names
  • Frick, Henry Clay, 1849-1919 -- Correspondence

Category
  • Business and Industry
  • Personal papers