Items

• [D7928ZBJ], Letter from P R Klein to Thomas Alva Edison, June 13th, 1879
  1879-06-13
• [D7928ZED], Letter from P R Klein to Thomas Alva Edison, July 3rd, 1879
  1879-07-03
• [D7928ZJN], Letter from P R Klein to Thomas Alva Edison, July 26th, 1879
  1879-07-26
• [D7928ZJU], Letter from P R Klein to Thomas Alva Edison, July 28th, 1879
  1879-07-28
• [D7928ZKW], Letter from P R Klein to Thomas Alva Edison, July 31st, 1879
  1879-07-31
• [D7928ZTR], Letter from P R Klein to Thomas Alva Edison, December 6th, 1879
  1879-12-06
• [D8034R], Letter from P R Klein to Thomas Alva Edison, February 13th, 1880
  1880-02-13
• [D8034Y], Letter from P R Klein to Thomas Alva Edison, March 16th, 1880
  1880-03-16