Items

• [D8731AAE], Letter from William Barr to Thomas Alva Edison, June 7th, 1887
  1887-06-07
• [D8731AAF], Letter from William Barr to Thomas Alva Edison, June 17th, 1887
  1887-06-17
• [D8731AAH], Letter from William Barr to Thomas Alva Edison, July 2nd, 1887
  1887-07-02
• [D8731AAU], Letter from William Barr to Thomas Alva Edison, December 30th, 1887
  1887-12-30