Senders: Clemens, Mary E. (Mollie)
- Orion and Mary E. (Mollie) Clemens to SLC, 16–18 October 1865, Carson City, Nev. · UCLC48854 CU-MARK
- Mary E. (Mollie) Clemens to SLC, 4 July 1871 · Hartford, Conn. · UCLC47036 CU-MARK
- Mollie Clemens to SLC and OLC, 17 May 1872 · Hartford, Conn. · UCLC47066 CU-MARK
- Mollie Clemens to SLC, 25 April 1874 · New York, N.Y. · UCLC47116 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC and OLC, 14 June 1874 · Keokuk, Iowa · UCLC47119 CU-MARK
- Mollie Clemens to SLC and OLC, 1 November 1877 · UCLC47145 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC and OLC, 16 November 1879 · Keokuk, Iowa · UCLC47181 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC and OLC, 23 and 24 November 1879 · Keokuk, Iowa · UCLC47182 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC, OLC, and Family 21 and 23 December 1879 · Keokuk, Iowa · UCLC47184 CU-MARK
- Orion to SLC, 29 February 1880–1 March 1880 · Keokuk, Iowa · UCLC47185 CU-MARK
- Orion and Mollie Clemens to SLC, 26 July 1880 · Keokuk, Iowa · UCLC47210 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 15 August 1880 · Keokuk, Iowa · UCLC47213 CU-MARK
- Mollie Clemens to SLC and OLC, 21 November 1880 · Keokuk, Iowa · UCLC47220 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 12 December 1880 · Keokuk, Iowa · UCLC47222 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 24 December 1880 · Keokuk, Iowa · UCLC47223 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 28 December 1880 · Keokuk, Iowa · UCLC47224 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 16 January 1881 · Keokuk, Iowa · UCLC47226 CU-MARK
- Mollie Clemens to SLC, 5 April 1882 · UCLC48600 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 25 August 1882 · Fredonia, N.Y. · UCLC47285 CU-MARK
- Mollie Clemens to SLC, 27 August 1882 · Fredonia, N.Y. · UCLC47286 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 31 December 1882–1 January 1883 · Keokuk, Iowa · UCLC47301 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 1 April 1883 · UCLC47307 CU-MARK
- Mary E. (Mollie) Clemens to SLC and OLC, 14 August 1883, Keokuk, Iowa · UCLC47311 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 23 December 1883 · UCLC47322 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC and OLC, 11 and 12 May 1884, Keokuk, Iowa · UCLC47328 CU-MARK
- Jane Lampton Clemens and Mary E. (Mollie) Clemens to SLC and OLC, 18 January 1885, Keokuk, Iowa · UCLC47338 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 24 December 1885 · Keokuk, Iowa · UCLC47378 CU-MARK
- Jane Lampton Clemens, Orion, and Mary E. (Mollie) Clemens to SLC and Family, 15 February 1886 · Keokuk, Iowa · UCLC47386 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 17 March 1886 · Keokuk, Iowa · UCLC47390 CU-MARK
- Orion and Mollie Clemens to SLC, 2 August 1886 · Keokuk, Iowa · UCLC47398 CU-MARK
- Mollie Clemens to Samuel L.Clemens and family, 2 August 1886 · UCLC43028 00468:1981.01
- Orion and Mollie Clemens to SLC and OLC, 26 November 1886 · Keokuk, Iowa · UCLC47406 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 19–20 December 1886 · Keokuk, Iowa · UCLC47409 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 29–30 December 1886 · UCLC47413 CU-MARK
- Mollie Clemens to SLC and OLC, 3 February 1887 · Keokuk, Iowa · UCLC47421 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 14–15 February 1887, enclosing 4 pages of Pamela A. Moffett to Orion and Mollie Clemens, 12 February 1887 · UCLC47422 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 23 February 1887 · UCLC47423 CU-MARK
- Mollie Clemens to OLC and SLC, 14 July 1887 · Keokuk, Iowa · UCLC43701 CtHMTH
- Mollie Clemens to SLC and OLC, 25 July 1887 · UCLC47439 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 29–30 November 1887 · UCLC47447 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 22 December 1887 · UCLC47449 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 31 December 1887 · UCLC47450 CU-MARK
- Orion and Mary E. (Mollie) Clemens to SLC and OLC · 17, 18, and 19 November 1888 · Keokuk, Iowa · UCLC47479 CU-MARK
- Mollie Clemens to SLC and OLC, 6 January 1889 · Keokuk, Iowa · UCLC47537 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 20–21 January 1889 · Keokuk, Iowa · UCLC47541 CU-MARK
- Mollie Clemens to SLC and OLC, 24 February 1889 · Keokuk, Iowa · UCLC47546 CU-MARK
- Orion and Mollie Clemens to SLC and OLC, 8–10 April 1889 · Keokuk, Iowa · UCLC47551 CU-MARK
- Mollie Clemens to SLC and OLC, 22 February 1890 · UCLC47587 CU-MARK
- Mollie Clemens to SLC and OLC, 24 March 1890 · UCLC47590 CU-MARK
- Mollie Clemens to SLC and OLC, 30 March 1890–14 April 1890 · UCLC47593 CU-MARK
- Mollie Clemens to SLC and OLC, 24 August 1890 · UCLC47602 CU-MARK
- Orion and Mollie Clemens to SLC, 18 December 1890 · Keokuk, Iowa · UCLC47621 CU-MARK
- Mollie Clemens to SLC, 30 April 1891 · UCLC49824 CtHMTH
- Mollie Clemens to SLC, 21 May 1891 · UCLC47627 CU-MARK
- Orion and Mollie Clemens to SLC, 8–10 February 1894 · Keokuk, Iowa · UCLC47654 CU-MARK
- Mollie Clemens to Samuel L.Clemens and family, 6 August 1897 · UCLC47666 CU-MARK
- Orion and Mollie Clemens to SLC, 30 November 1897 · Keokuk, Iowa · UCLC47662 CU-MARK
- Mollie Clemens to SLC, 5 June 1899 · UCLC48764 CU-MARK
- Mary E. (Mollie) Clemens to SLC, 15–30 September 1903 (2nd of 2) Keokuk, Iowa · UCLC47657 CU-MARK
- Mary E. (Mollie) Clemens to SLC and family, 15–30 September 1903 (1st of 2) Keokuk, Iowa · UCLC47695 CU-MARK
- Mary E. (Mollie) Clemens to SLC and family, Unknown date, Keokuk, Iowa · UCLC47697 CU-MARK
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