Sources: NN3
- SLC to Beatrice M. Benjamin, 18 March 1902 · Miami, Fla · UCCL06305 NN3
- SLC to Beatrice M. Benjamin, 7 March 1905 · New York, N.Y · UCCL07014 NN3
- Unidentified to SLC, 1908 · UCLC46426 NN3
- SLC to Beatrice M. Benjamin, June 1908 · Unknown place · UCCL09473 NN3
- SLC to Beatrice M. Benjamin, 11 February 1909 · Redding, Conn · UCCL08346 NN3
- SLC to Stormfield guests, 13 March 1909 · Redding, Conn · UCCL09389 NN3
- SLC to Beatrice M. Benjamin, 29 October 1909 · Redding, Conn · UCCL08479 NN3
- SLC to Beatrice M. Benjamin, 7 November 1909 · Redding, Conn · UCCL08482 NN3
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