Items

• [D7801C2A], Letter from John J Simmons to Amos Jay Cummings, June 16th, 1878
  1878-06-16
• [D7805ZET], Telegram from Thomas Alva Edison to Amos Jay Cummings, November 23rd, 1878
  1878-11-23
• [D7903I], Letter from A Klingensmith to New York Sun, Amos Jay Cummings, January 8th, 1879
  1879-01-08
• [LB016221A], Letter from Thomas Alva Edison to Amos Jay Cummings, May 2nd, 1883
  1883-05-02
• [LB020020], Letter from Thomas Alva Edison to Amos Jay Cummings, January 12th, 1885
  1885-01-12
• [LB038046], Letter from Thomas Alva Edison to Amos Jay Cummings, February 27th, 1890
  1890-02-27
• [LB041490], Letter from Thomas Alva Edison to Amos Jay Cummings, June 20th, 1890
  1890-06-20