Items

• [D7716C], Letter from John P Sanborn to Thomas Alva Edison, January 16th, 1877
  1877-01-16
• [D7716D], Letter from John P Sanborn to Thomas Alva Edison, January 27th, 1877
  1877-01-27
• [D8040F], Letter from John P Sanborn to Thomas Alva Edison, December 21st, 1880
  1880-12-21