Addressees: Stone, Melville E
- Samuel L. Clemens to Melville E. Stone, 3 April 1880 · Hartford, Conn · UCCL01781
- SLC to Melville E. Stone, 2 August 1883 · Elmira, N.Y · UCCL11918
- SLC to Melville E. Stone, 11 September 1904 · New York, N.Y · UCCL06921
- SLC to Melville E. Stone, 4 October–8 December 1908 · New York, N.Y · UCCL11738
- SLC to Melville E. Stone, September 1906 · Unknown place · UCCL10878
- SLC to Melville E. Stone, September 1906 · Dublin, N.H · UCCL07516
- SLC, Clara L. Clemens to Melville E. Stone, 8 February 1908 · New York, N.Y · UCCL07931
- SLC to Melville E. Stone, 19 September 1908 · Redding, Conn · UCCL08097
- SLC to Melville E. Stone, 14 September 1909 · Redding, Conn · UCCL08451
- SLC to Melville E. Stone, 30 September 1909 · Redding, Conn · UCCL08461
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