Items

• [E1565EL], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to William Henry Meadowcroft, April 2nd, 1915
  1915-04-02
• [E1565FB], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to Charles Edison, William Henry Meadowcroft, April 13th, 1915
  1915-04-13
• [E1565FX], Letter from Phonograph Co (Kansas City), Myron Mitchell Blackman to Thomas Alva Edison, May 6th, 1915
  1915-05-06
• [E1565HD], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to Thomas Alva Edison, May 15th, 1915
  1915-05-15
• [E1565HZ], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to Thomas Alva Edison, May 25th, 1915
  1915-05-25
• [E1565JZ], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to Thomas Alva Edison, June 26th, 1915
  1915-06-26
• [E1664BFX], Letter from Myron Mitchell Blackman, Phonograph Co (Kansas City) to William Henry Meadowcroft, December 13th, 1916
  1916-12-13