Items

• [E1633AJ], Letter from Samuel N Keefer, Harry L Keefer to Thomas Alva Edison, June 1st, 1916
  1916-06-01
• [E1633AK], Letter from William Symes Andrews to Samuel N Keefer, Harry L Keefer, June 12th, 1916
  1916-06-12
• [LB112523], Letter from Thomas Alva Edison to Harry L Keefer, Samuel N Keefer, June 12th, 1916
  1916-06-12
• [X001E11B], Reminiscence, Walter Seeley Mallory, March 10th, 1947
  1947-03-10