Items

• [D7903ZMM], Letter from Joel H Hills to Thomas Alva Edison, December 29th, 1879
  1879-12-29
• [W100CAE], Agreement, Thomas Alva Edison, William E Plummer, Joel H Hills, January 25th, 1869
  1869-01-25
• [X001H1AC], Agreement, Joel H Hills, William E Plummer, Samuel W Ropes, Jr., Thomas Alva Edison, January 21st, 1869
  1869-01-21
• [X001H1AJ], Agreement, Joel H Hills, James Nye Ashley, William E Plummer, March 1870
  1870-03-00