Addressees: Fairbanks, Mary Mason
- Samuel L. Clemens to Mary Mason Fairbanks, 2 December 1867 · Washington, D.C · UCCL00166 ViU
- Samuel L. Clemens to Mary Mason Fairbanks, 12 December 1867 · Washington, D.C · UCCL00172 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 24 January 1868 · Hartford, Conn · UCCL00183 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 30 January 1868 · Washington, D.C · UCCL00186 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 9 February 1868 · Washington, D.C · UCCL00191 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 20 February 1868 · Washington, D.C · UCCL00196 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 10 March 1868 · New York, N.Y · UCCL00200 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 18 March 1868 · SS Henry Chauncey en route from New York, N.Y., to Aspinwall, Panama · UCCL00202 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 2–14 April 1868 · San Francisco, Calif · UCCL02737 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 1 and 5 May 1868 · Virginia City, Nev., and San Francisco, Calif · UCCL00204 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 12 May 1868 · San Francisco, Calif · UCCL02732
- Samuel L. Clemens to Mary Mason Fairbanks, 17 June 1868 · San Francisco, Calif · UCCL02735 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 5 July 1868 · San Francisco, Calif · UCCL02738 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 3 August 1868 · New York, N.Y · UCCL02743 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 17 August 1868 · Hartford, Conn · UCCL02745 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 24 September 1868 · St. Louis, Mo · UCCL02752 CU-MARK
- Samuel L. Clemens to Mary Mason Fairbanks, 5 October 1868 · Hartford, Conn · UCCL02755 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 12 October 1868 · Hartford, Conn · UCCL02758 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 31 October 1868 · New York, N.Y · UCCL02761 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 26 and 27 November 1868 · Elmira, N.Y · UCCL02767 NN-BGC, CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 12 December 1868 · Norwich, N.Y · UCCL02730 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 24 and 25 December 1868 · Lansing, Mich · UCCL02777 CU-MARK
- Samuel L. Clemens to Mary Mason Fairbanks, 7 January 1869 · Rockford, Ill · UCCL00219 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks and Others on the Board of Managers of the Cleveland Protestant Orphan Asylum, 7 January 1869 · Chicago, Ill · UCCL00222 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 12 January 1869 · El Paso, Ill · UCCL00229 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 5 February 1869 · Elmira, N.Y · UCCL00246 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 13 February 1869 · Ravenna, Ohio · UCCL00248 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 17 February 1869 · Titusville, Pa · UCCL00257 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 17 February 1869 · Franklin, Pa · UCCL00258 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 27 and 28 February 1869 · Lockport, N. Y · UCCL00261 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 13 March 1869 · Hartford, Conn · UCCL00276 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 24 March 1869 · Elmira, N.Y · UCCL00278 CSmH
- Samuel L. Clemens and Olivia L. Langdon to Mary Mason Fairbanks, 31 March and 1 April 1869 · Elmira, N.Y · UCCL00280 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 12 April 1869 · Elmira, N. Y · UCCL00282 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 15 April 1869 · Elmira, N. Y · UCCL00284 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 10 May 1869 · Hartford, Conn · UCCL00296 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 4 June 1869 · Elmira, N.Y · UCCL00313 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 5 July 1869 · Elmira, N. Y · UCCL00324 CSmH
- Samuel L. Clemens to Mary Mason and Abel W. Fairbanks, 14 August 1869 · Buffalo, N. Y · UCCL00332 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 26 and 27 September 1869 · Buffalo, N.Y · UCCL00359 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 19 November 1869 · Boston, Mass · UCCL00373 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 7 January 1870 · Amenia, N.Y · UCCL00401 CSmH
- Samuel L. and Olivia L. Clemens to Mary Mason Fairbanks, 13 February 1870 · Buffalo, N.Y · UCCL00426 CSmH
- Samuel L. and Olivia L. Clemens to Mary Mason Fairbanks, 22 and 24 March 1870 · Buffalo, N.Y · UCCL00448 CSmH
- Samuel L. and Olivia L. Clemens to Mary Mason Fairbanks, 29 May 1870 · Buffalo, N.Y · UCCL00472 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 25 June 1870 · Elmira, N.Y · UCCL00482 CSmH
- Samuel L. and Olivia L. Clemens to Mary Mason Fairbanks, 2 September 1870 · Buffalo, N.Y · UCCL00500 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 13 October 1870 · Buffalo, N.Y · UCCL00512 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 5 November 1870 · Buffalo, N.Y · UCCL00525 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 19 November 1870 · Buffalo, N.Y · UCCL00538 CSmH
- Samuel L. and Olivia L. Clemens to Mary Mason Fairbanks, 17 December 1870 · Buffalo, N.Y · UCCL00551 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 26 January 1871 · Buffalo, N.Y · UCCL00566 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 14 March 1871 · Buffalo, N.Y · UCCL00590 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 18 April 1871 · Elmira, N.Y · UCCL00604 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 26 April 1871 · Elmira, N.Y · UCCL00606 CSmH
- Olivia L. and Samuel L. Clemens to Mary Mason Fairbanks, 27 June 1871 · Elmira, N.Y · UCCL00625
- Samuel L. Clemens to Mary Mason Fairbanks, 29 June 1871 · Elmira, N.Y · UCCL00629 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 10 December 1871 · Erie, Pa · UCCL00688 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 13 February 1872 · Hartford, Conn · UCCL00725 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 2? March 1872 · Hartford, Conn · UCCL00728 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 11 August 1872 · New Saybrook, Conn · UCCL00792 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 2 November 1872 · London, England · UCCL00825 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 6 November–10 December 1872 · London, England, or Hartford, Conn · UCCL11817 CtHSD
- Samuel L. Clemens to Mary Mason Fairbanks, 16 April 1873 · Hartford, Conn · UCCL00900 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 6 July 1873 · London, England · UCCL00947 NjP2, CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 25 February 1874 · Hartford, Conn · UCCL01055 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 21 September 1874 · Hartford, Conn · UCCL01129 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 23 April 1875 · Hartford, Conn · UCCL01222 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 13 February 1876 · Hartford, Conn · UCCL01307 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 24 March 1876 · Hartford, Conn · UCCL01316 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 3 June 1876 · Hartford, Conn · UCCL01338 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 4 August 1876 · Elmira, N.Y · UCCL01355 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 14 September 1876 · Hartford, Conn · UCCL01362 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 14 and 17 April 1877 · Hartford, Conn · UCCL01412 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 3 September 1877 · Elmira, N.Y · UCCL01477 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 31 October 1877 · Hartford, Conn · UCCL01500 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 5 February 1878 · Hartford, Conn · UCCL01528 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 9 March 1878 · Hartford, Conn · UCCL01542 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 6 March 1879 · Paris, France · UCCL01637 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 15 May 1879 · Paris, France · UCCL01655 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 23 September 1879 · Elmira, N.Y · UCCL01692 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 18 November 1879 · Hartford, Conn · UCCL01731 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 21 December 1879 · Hartford, Conn · UCCL01743 CSmH
- Samuel L. Clemens to Mary Mason Fairbanks, 6 February 1880 · Hartford, Conn · UCCL01758 CSmH
- SLC to Mary M. Fairbanks, 24 January 1881 · Hartford, Conn · UCCL04130 CSmH
- SLC to Mary M. Fairbanks, 5 March 1881 · Hartford, Conn · UCCL01923 CSmH
- SLC to Mary M. Fairbanks, 5 May 1881 · Hartford, Conn · UCCL04131 CSmH
- SLC to Mary M. Fairbanks, 18 September 1881 · Elmira, N.Y · UCCL02036 CSmH
- SLC to Mary Mason Fairbanks, 20 December 1881 · Hartford, Conn · UCCL11210 CPac2
- SLC to Mary M. Fairbanks, 21 February 1882 · Hartford, Conn · UCCL02162 CSmH
- SLC to Mary M. Fairbanks, 7 May 1883 · Hartford, Conn · UCCL02384 CSmH
- SLC to Mary M. Fairbanks, 4 June 1883 · Hartford, Conn · UCCL01861 CSmH
- SLC to Mary M. Fairbanks, 30 January 1884 · Hartford, Conn · UCCL02901 CSmH
- SLC to Mary M. Fairbanks, 31 March 1885 · New York, N.Y · UCCL10794 NN-BGC
- SLC to Mary M. Fairbanks, 16 November 1886 · Hartford, Conn · UCCL03480 CSmH
- SLC to Mary M. Fairbanks, 24 January 1887 · Hartford, Conn · UCCL03519 CSmH
- SLC to Mary M. Fairbanks, 22 March 1887 · Hartford, Conn · UCCL03547 CtHMTH
- SLC to Mary M. Fairbanks, 16 November 1887 · Hartford, Conn · UCCL03668 CSmH
- SLC to Mary M. Fairbanks, 25 November 1887 · Hartford, Conn · UCCL03671 CSmH
- SLC to Mary M. Fairbanks, 30 December 1888 · Hartford, Conn · UCCL03813 CSmH
- SLC to Mary M. Fairbanks, 13 September 1889 · Elmira, N.Y · UCCL03941 CSmH
- SLC to Mary M. Fairbanks, 13 October 1890 · Hartford, Conn · UCCL04101 CSmH
- SLC to Mary M. Fairbanks, 29 May 1891 · Hartford, Conn · UCCL04213 CSmH
- SLC to Mary M. Fairbanks, 18 January 1893 · Florence, Italy · UCCL04327 CSmH
- SLC to Mary M. Fairbanks, 8 May 1893 · Elmira, N.Y · UCCL04399 CSmH
- SLC to Mary M. Fairbanks, 10 November 1893 · New York, N.Y · UCCL04498 CSmH
- SLC to Mary M. Fairbanks, 22 April 1894 · New York, N.Y · UCCL04725 CSmH
- SLC to Mary M. Fairbanks, 16 July 1894 · New York, N.Y · UCCL04755 CSmH
- SLC to Mary M. Fairbanks, 9 February 1895 · Paris, France · UCCL04841 CSmH
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