Addressees: Millet, Francis D
- Susy (Olivia Susan) Clemens to Francis D. Millet, March 1877 · Hartford, Conn · UCCL01401
- Samuel L. Clemens to Francis D. Millet, 7 August 1877 · Elmira, N.Y · UCCL01468
- SLC to Francis D. Millet, April 1879, Paris, France · UCCL13942
- Samuel L. Clemens to Francis D. and Elizabeth M. Millet, 4 February 1880 · Hartford, Conn · UCCL12652
- SLC to Francis D. Millet, 29 September 1893 · New York, N.Y · UCCL11623
1