Items

• [D7928ZEP], Letter from David J Ogden to Thomas Alva Edison, July 7th, 1879
  1879-07-07
• [D7928ZFL], Letter from David J Ogden to Thomas Alva Edison, July 10th, 1879
  1879-07-10
• [D7928ZJE], Letter from New York and Columbia Gold Mining Co, David J Ogden to Thomas Alva Edison, July 25th, 1879
  1879-07-25