Items

• [CJ615ABO], Letter from Walter Seeley Mallory to Pennsylvania Steel Co, Edgar Conway Felton, May 4th, 1907
  1907-05-04
• [LB048493], Letter from Thomas Alva Edison to Pennsylvania Steel Co, Edgar Conway Felton, April 14th, 1891
  1891-04-14
• [LB050004], Letter from Arthur Edwin Kennelly to Pennsylvania Steel Co, Edgar Conway Felton, June 16th, 1891
  1891-06-16
• [LB050052], Letter from Thomas Alva Edison to Pennsylvania Steel Co, Edgar Conway Felton, June 17th, 1891
  1891-06-17
• [LB050246], Letter from Alfred Ord Tate to Edgar Conway Felton, Pennsylvania Steel Co, July 6th, 1891
  1891-07-06