Items

Items

• 

  [D7941ZKA], Letter from George C Sonn to Thomas Alva Edison, December 22nd, 1879

  1879-12-22
• 

  [D8805ACI], Letter from George C Sonn to Thomas Alva Edison, April 19th, 1888

  1888-04-19
• 

  [D8805AIM], Letter from George C Sonn to Thomas Alva Edison, October 1888

  1888-10-00
• 

  [D8905ACR], Letter from George C Sonn to Thomas Alva Edison, April 9th, 1889

  1889-04-09