Items

• [D7802ZHC], Letter from John Brisben Walker to Thomas Alva Edison, April 11th, 1878
  1878-04-11
• [D9604AAY], Letter from John Brisben Walker, Cosmopolitan (Magazine) to Thomas Alva Edison, April 9th, 1896
  1896-04-09
• [E1240AM], Letter from Exhibition. Panama Pacific (1915), John Brisben Walker to Thomas Alva Edison, July 5th, 1912
  1912-07-05
• [E1503AH], Letter from John Brisben Walker to Thomas Alva Edison, March 8th, 1915
  1915-03-08
• [E1503AK], Letter from John Brisben Walker to William Henry Meadowcroft, April 4th, 1915
  1915-04-04