Addressees: Whitmore, Harriet E
- Samuel L. Clemens to Harriet E. Whitmore, 11 April 1880 · Hartford, Conn · UCCL11264
- Samuel L. Clemens to Harriet E. Whitmore, 13 September 1880 · Elmira, N.Y · UCCL01832
- SLC to Harriet E. Whitmore, July 1882 · Hartford, Conn · UCCL09322
- SLC to Harriet E. Whitmore, 18 November 1882 · Hartford, Conn · UCCL09324
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