Addressees: Crane, Susan L
- Samuel L. Clemens to Susan L. Crane, 9 and 31 March 1869 · Hartford, Conn., and Elmira, N.Y · UCCL00273
- Olivia L. and Samuel L. Clemens to Susan L. Crane, 26 or 27 February 1870 · Buffalo, N.Y · UCCL00434
- Olivia L. and Samuel L. Clemens to Susan L. Crane, 16 April 1870 · Buffalo, N.Y · UCCL00454
- Samuel L. Clemens to Susan L. Crane, 19–20? November 1870 · Buffalo, N.Y · UCCL08621
- Samuel L. Clemens to Susan L. Crane, 12 March 1871 · Buffalo, N.Y · UCCL00588
- Samuel L. Clemens to Susan L. Crane, 14 March 1871 · Buffalo, N.Y · UCCL00589
- Samuel L. Clemens to Susan L. Crane, 3 November 1872 · London, England · UCCL00826
- Olivia L. and Samuel L. Clemens to Susan L. Crane, 18? October 1874 · Hartford, Conn · UCCL01143
- Samuel L. Clemens to Susan L. Crane, 23 April 1877 · Hartford, Conn · UCCL01415
- Samuel L. and Olivia L. Clemens to Susan L. Crane, 2 June 1878 · Heidelberg, Germany · UCCL12745
- Olivia L. and Samuel L. Clemens to Susan L. Crane, 1 December 1878 · Munich, Germany · UCCL01609
- SLC, OLC to Susan L. Crane, 26 October 1881 · Hartford, Conn · UCCL08726
- SLC to Susan L. Crane, 1882–1888 · Hartford, Conn · UCCL08725
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