Sources: CaQMMRB
- SLC to Stephen C. Massett, 10 October 1881 · Hartford, Conn · UCCL02050
- SLC to Samuel E. Dawson, 28 May 1883 · Montreal, Canada · UCCL02391
- SLC to Samuel E. Dawson, 11 July 1883 · Elmira, N.Y · UCCL02304
- SLC to George Iles, 24 August 1884 · Elmira, N.Y · UCCL01461
- SLC to George Iles, 24 November 1884 · Washington, D.C · UCCL03039
- SLC to Bram Stoker, 6 December 1893 · New York, N.Y · UCCL04521
- SLC to Francis H. Skrine, 5 July 1899 · London, England · UCCL05649
- SLC to George Iles, 28 October 1900 · New York, N.Y · UCCL05889
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