Sources: NN3
- SLC to Beatrice M. Benjamin, 18 March 1902 · Miami, Fla · UCCL06305
- SLC to Beatrice M. Benjamin, 7 March 1905 · New York, N.Y · UCCL07014
- SLC to Beatrice M. Benjamin, June 1908 · Unknown place · UCCL09473
- SLC to Beatrice M. Benjamin, 11 February 1909 · Redding, Conn · UCCL08346
- SLC to Stormfield guests, 13 March 1909 · Redding, Conn · UCCL09389
- SLC to Beatrice M. Benjamin, 29 October 1909 · Redding, Conn · UCCL08479
- SLC to Beatrice M. Benjamin, 7 November 1909 · Redding, Conn · UCCL08482
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