Addressees: Gilder, Helena
- SLC to Helena Gilder, 17 February 1894 · New York, N.Y · UCCL12055 CLjC
- SLC to Helena Gilder, 28 July 1905 · Dublin, N.H · UCCL12056 CLjC
- SLC to Helena Gilder, 11 February 1908 · New York, N.Y · UCCL12063 CLjC
- SLC to Richard Watson Gilder and Helena Gilder, 7 October–13 October 1909 · Redding, Conn · UCCL12065
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