Items

• [E1421FS], Letter from Thomas Alva Edison to A L Kuehn, American Tar Products Co, December 15th, 1914
  1914-12-15
• [E1518DDO], Telegram from Thomas Alva Edison to American Tar Products Co, April 16th, 1915
  1915-04-16
• [LB101119], Letter from Thomas Alva Edison to A L Kuehn, American Tar Products Co, December 7th, 1914
  1914-12-07