Addressees: Clemens, Olivia Susan (Susy)
- Samuel L. Clemens to Olivia Susan (Susy) Clemens, 9 May 1872 · Cleveland, Ohio · UCCL00746
- Samuel L. Clemens to Olivia Susan (Susy) Clemens, 25 December 1875 · Hartford, Conn · UCCL01290
- Samuel L. Clemens to Olivia Susan (Susy) Clemens, 16 July 1877 · New York, N.Y · UCCL01451
- Samuel L. Clemens to Olivia Susan (Susy) Clemens, 19 July 1877 · New York, N.Y · UCCL01455
- SLC to Susy (Olivia Susan) Clemens, 25 December 1881 · Hartford, Conn · UCCL10644
- SLC to Susy (Olivia Susan) Clemens, 25 May 1882 · Hartford, Conn · UCCL09121
- SLC to Susy (Olivia Susan) Clemens, 23 November 1884 · New York, N.Y · UCCL03035
- SLC to Susy (Olivia Susan) Clemens, 5 December 1884 · Utica, N.Y · UCCL03046
- SLC to Susy (Olivia Susan) Clemens, 14 December 1884 · Grand Rapids, Mich · UCCL03059
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