Items

• [LB008293], Letter from Samuel Insull to Alexander Graham Bell, June 2nd, 1881
  1881-06-02
• [LB008203], Letter from Samuel Insull to Alexander Graham Bell, April 23rd, 1881
  1881-04-23
• [X012HA], Letter from Amos Emerson Dolbear to Alexander Graham Bell, February 16th, 1877
  1877-02-16
• [X012HB], Letter from Elisha Gray to Alexander Graham Bell, March 5th, 1877
  1877-03-05
• [X012HI], Letter from Thomas Augustus Watson to Alexander Graham Bell, March 12th, 1878
  1878-03-12