These letters are from 1887, 1924, and 1929. Included is a December1887 letter from Caroline Victor to Mina Miller Edison about deafness, with a handwritten reply by Edison that the condition has its compensations. A January 1924 letter from Edison to motion picture executive George Kleine relates to non-inflammable film. Also included is a June 1929 letter from Edison to U.S. Postmaster General Walter F. Brown thanking him for issuing a stamp to commemorate the invention of the incandescent lamp
[X201AA], Letter from Caroline Victor to Mina Miller (Mrs Thomas A.) Edison, December 30th, 1887 1887-12-30
[X201AB], Letter from Thomas Alva Edison to Caroline Victor, February 10th, 1889 1889-02-10
[X201B], Letter from Thomas Alva Edison to George Kleine, January 15th, 1924 1924-01-15
[X201C], Letter from Thomas Alva Edison to U.S. Postmaster General, Walter Folger Brown, June 8th, 1929 1929-06-08