Addressees: Warner, Charles D
- Samuel L. Clemens to Charles Dudley and Susan L. Warner, 22 April 1872 · Elmira, N.Y · UCCL00744
- Samuel L. Clemens to Charles Dudley Warner, 5 October 1872 · London, England · UCCL00819
- Samuel L. Clemens to Charles Dudley Warner, 13 May 1873 · Elmira, N. Y · UCCL00915
- Samuel L. Clemens to Charles Dudley Warner, 17 May 1873 · SS Batavia en route from New York, N.Y., to Liverpool, England · UCCL00917
- Samuel L. Clemens to Charles Dudley Warner, 10? July 1873 · London, England · UCCL00951
- Samuel L. Clemens to Charles Dudley Warner, per Samuel C. Thompson, 16 July 1873 · London, England · UCCL00954
- Samuel L. Clemens to Charles Dudley Warner, 30 December 1873 · London, England · UCCL01021
- Samuel L. Clemens to Charles Dudley Warner, 5 May 1874 · Elmira, N.Y · UCCL01082
- Samuel L. and Olivia L. Clemens to Charles Dudley Warner, 16 June 1878 · Heidelberg, Germany · UCCL01572
- Samuel L. Clemens to Charles Dudley Warner, 1? August 1878 · Baden Baden?, Germany · UCCL01581
- SLC to Joel Chandler Harris, Oliver Wendell Holmes, Frank R. Stockton and Charles Dudley Warner, 29 November 1885 · Hartford, Conn · UCCL03318
- SLC to Charles D. Warner, 22 July 1886 · Elmira, N.Y · UCCL10349
- SLC to Charles D. Warner, 22 September 1891 · Rhone River, France · UCCL04231
- SLC to Charles D. Warner and Susan L. Warner, 12 April 1894 · SS New York · UCCL04909
- SLC to Charles D. Warner, 1 January 1896 · SS Oceana · UCCL05008
- SLC to Charles D. Warner, 15 February 1899 · Vienna, Austria · UCCL05546
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