Items

• [E1517AK], Letter from Panama-Pacific Intl Telegraphers Tournament Assn, Elmer Cox to William Henry Meadowcroft, September 4th, 1915
  1915-09-04
• [E1517AQ], Letter from Panama-Pacific Intl Telegraphers Tournament Assn, Elmer Cox to Thomas Alva Edison, October 9th, 1915
  1915-10-09