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
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