Items

Items

• 

  [E1633AA1], Letter from Samuel N Keefer, Harry L Keefer to Thomas Alva Edison, February 2nd, 1916

  1916-02-02
• 

  [E1633AJ], Letter from Samuel N Keefer, Harry L Keefer to Thomas Alva Edison, June 1st, 1916

  1916-06-01
• 

  [E1836AJ], Letter from Harry L Keefer to William Henry Meadowcroft, April 26th, 1918

  1918-04-26