Sources: BeTeKMM
- SLC to Henry M. Stanley, 1 September 1872 · Approaching Liverpool · UCCL13454
- SLC to Henry M. Stanley, 9 July 1885 · Elmira, N.Y · UCCL13283
- SLC to Henry M. Stanley, 16 December 1889 · New York, New York · UCCL13284
- SLC to James B. Pond, 28 September 1890 · Hartford, Connecticut · UCCL13286
- SLC to Henry M. Stanley, 28 September 1890 · Hartford, Connecticut · UCCL13287
- SLC for OLC to Dorothy Tennant Stanley, 28 September 1890 · Hartford, Connecticut · UCCL13299
- SLC to Henry M. Stanley, 3 February 1891 · Hartford, Connecticut · UCCL13288
- SLC to Henry M. Stanley, 15 December 1894 · Paris, France · UCCL13289
- SLC to Henry M. Stanley, 30 January 1895 · Paris, France · UCCL13290
- SLC to Henry M. Stanley, 3 February 1895 · Paris, France · UCCL13291
- SLC to Henry M. Stanley, 8 February 1895 · Paris, France · UCCL13292
- SLC to Henry M. Stanley, 12 February 1895 · Paris, France · UCCL13293
- SLC to Gertrude Tennant, 7 April 1895 · Paris, France · UCCL13294
- SLC to Gertrude Tennant, 15 April 1895 · Paris, France · UCCL13295
- SLC to Henry M. Stanley, 10 July 1897 · London, England · UCCL13296
- OLC to Dorothy Tennant Stanley, 13 April 1900 · London, England · UCCL13298
- SLC to Dorothy Tennant Stanley, 17 April 1900 · London, England · UCCL13297
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