Items

• [D7809H], Letter from James Dwight Dana to Thomas Alva Edison, July 8th, 1878
  1878-07-08
• [D7928U], Letter from James Dwight Dana to Thomas Alva Edison, May 28th, 1879
  1879-05-28
• [D8004ZCU], Letter from James Dwight Dana to George Frederick Barker, April 16th, 1880
  1880-04-16
• [D8004ZEN], Letter from James Dwight Dana, Edward Salisbury Dana to Thomas Alva Edison, August 11th, 1880
  1880-08-11
• [D8011ZAA], Telegram from James Dwight Dana to Thomas Alva Edison, August 5th, 1880
  1880-08-05