Items

• [F5C05H1], Letter from William Joseph Hammer to Edison Pioneers, April 5th, 1920
  1920-04-05
• [X098A080], Letter from Francis Robbins Upton to Thomas Alva Edison, January 24th, 1918
  1918-01-24
• [X400JBN], Letter from Madeleine Edison to John Eyre Sloane, May 9th, 1918
  1918-05-09