Sources: MeWC
- SLC to Sarah O. Jewett, 17 March 1887 · Hartford, Conn · UCCL08910
- SLC to Franklin G. Whitmore, 28 July 1890 · New York, N.Y · UCCL08914
- SLC to Franklin G. Whitmore, 1 October 1899 · London, England · UCCL08915
- SLC to Elizabeth C. Akers, 8 July 1900 · London, England · UCCL08908
- SLC to Elizabeth C. Akers, 17 July 1901 · Saranac Lake, N.Y · UCCL06091
- SLC to Elizabeth C. Akers, 30 July 1901 · Saranac Lake, N.Y · UCCL06100
- SLC per Isabel V. Lyon to Elizabeth C. Akers, 4 February 1905 · New York, N.Y · UCCL08920
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