Items

• [LB001382], Letter from Thomas Alva Edison to Williams and Plum, March 1st, 1878
  1878-03-01
• [LB003247], Letter from Thomas Alva Edison to Williams and Plum, May 20th, 1878
  1878-05-20
• [LB003251], Letter from Thomas Alva Edison to Williams and Plum, May 1878
  1878-05-00
• [LB003374], Letter from Thomas Alva Edison to Williams and Plum, September 16th, 1878
  1878-09-16
• [LB003414], Letter from Thomas Alva Edison to Williams and Plum, October 14th, 1878
  1878-10-14
• [LB004161], Letter from Thomas Alva Edison to Williams and Plum, February 5th, 1879
  1879-02-05
• [LB004209], Letter from Thomas Alva Edison to Williams and Plum, March 10th, 1879
  1879-03-10