Sources: WRl2
- SLC to Frederick J. Loudin, March 1875 · Hartford, Conn · UCCL11478 WRl2
- SLC to Katie Leary, 2 March 1898 · Vienna, Austria · UCCL10953 WRl2
- SLC to Jean L. Clemens, August 1906 · Unknown place · UCCL10952 WRl2
- SLC to Katie Leary, 26 September 1906 · Unknown place · UCCL10954 WRl2
- SLC to Katie Leary, 20 February 1910 · Hamilton, Bermuda · UCCL08559 WRl2
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