Sources: LNT
- SLC to George Washington Cable, 17 July 1881 · Branford, Conn · UCCL01985 LNT
- SLC to George Washington Cable, 20 June 1882 · Hartford, Conn · UCCL02222 LNT
- SLC to George Washington Cable, 29 September 1882 · New York, N.Y · UCCL02281 LNT
- SLC to George Washington Cable, 5 October 1882 · Hartford, Conn · UCCL02286 LNT
- SLC to George Washington Cable, 12 October 1882 · Hartford, Conn · UCCL02290 LNT
- SLC to George Washington Cable, 16 October 1882 · Hartford, Conn · UCCL02291 LNT
- SLC to George Washington Cable, 11 November 1882 · Hartford, Conn · UCCL02303 LNT
- SLC to George Washington Cable, 15 January 1883 · Hartford, Conn · UCCL02336 LNT
- SLC to James B. Pond, 15 February 1883 · Hartford, Conn · UCCL10708 LNT
- Roswell Smith to SLC, 7 March 1883 · New York, N.Y. · UCLC42515 LNT
- SLC to George Washington Cable, 9 March 1883 · Hartford, Conn · UCCL10709 LNT
- SLC to George Washington Cable, 9 March 1883 · Hartford, Conn · UCCL02354 LNT
- SLC to George Washington Cable, 10 March 1883 · Hartford, Conn · UCCL02357 LNT
- SLC to George Washington Cable, 17 March 1883 · Hartford, Conn · UCCL02361 LNT
- SLC to George Washington Cable, 23 March 1883 · Hartford, Conn · UCCL10710 LNT
- SLC to George Washington Cable, 23 March 1883 · Hartford, Conn · UCCL02363 LNT
- SLC to George Washington Cable, 26 March 1883 · Hartford, Conn · UCCL10711 LNT
- SLC to George Washington Cable, 27 March 1883 · Hartford, Conn · UCCL10712 LNT
- George W. Cable to SLC, 5 April 1883 · Hartford, Conn. · UCLC41516 LNT
- SLC to George Washington Cable, 16 April 1883 · Hartford, Conn · UCCL02371 LNT
- SLC to George Washington Cable, 4 June 1883 · Hartford, Conn · UCCL08821 LNT
- SLC to James B. Pond, 28 January 1884 · Hartford, Conn · UCCL10715 LNT
- SLC to James B. Pond, 28 January 1884 · Hartford, Conn · UCCL10714 LNT
- SLC to James B. Pond, 28 January 1884 · Hartford, Conn · UCCL10713 LNT
- SLC to Louise S. Cable, 30 January 1884 · Hartford, Conn · UCCL09227 LNT
- SLC to James B. Pond, 30 January 1884 · Hartford, Conn · UCCL10717 LNT
- SLC to James B. Pond, 30 January 1884 · Hartford, Conn · UCCL10716 LNT
- SLC to James B. Pond, 2 February 1884 · Hartford, Conn · UCCL10718 LNT
- SLC to James B. Pond, 3 February 1884 · Hartford, Conn · UCCL02904 LNT
- SLC to James B. Pond, 4 February 1884 · Hartford, Conn · UCCL10719 LNT
- SLC to James B. Pond, 6 February 1884 · Hartford, Conn · UCCL10722 LNT
- SLC to James B. Pond, 12 February 1884 · Hartford, Conn · UCCL10723 LNT
- SLC to James B. Pond, 10 July 1884 · Elmira, N.Y · UCCL10724 LNT
- Thomas Nast to SLC, 24 November 1884 · Morristown, N.J. · UCLC42514 LNT
- SLC to George Washington Cable, 17 May 1885 · Hartford, Conn · UCCL03229 LNT
- SLC to George Washington Cable, 11 June 1889 · Hartford, Conn · UCCL03900 LNT
- SLC to George Washington Cable, 25 June 1895 · Elmira, N.Y · UCCL04897 LNT
- SLC to George Washington Cable, 15 October 1901 · Riverdale, N.Y · UCCL06156 LNT
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