Addressees: Clemens, Orion
- Samuel L. Clemens to Orion and Henry Clemens, 26–28 October 1853 · Philadelphia, Pa · UCCL00002 NPV
- Samuel L. Clemens to Orion Clemens, 28 November 1853 · Philadelphia, Pa · UCCL00003 NPV
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 9 March 1858 · St. Louis, Mo · UCCL00014 NPV
- Samuel L. Clemens to Orion Clemens, 27? June 1860 · City of Memphis en route from Memphis, Tenn., to St. Louis, Mo · UCCL00018 NPV
- Samuel L. Clemens to Orion Clemens, 29 September 1860 · New Orleans, La · UCCL00025 NPV
- Samuel L. Clemens to Orion Clemens and Family, 21 November 1860 · St. Louis, Mo · UCCL00026 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 6 February 1861 · Cairo, Ill · UCCL00027 NPV
- Samuel L. Clemens to Orion Clemens, 18 March 1861 · St. Louis, Mo · UCCL00022 NPV
- Samuel L. Clemens to Orion Clemens, 26 April 1861 · Hannibal City en route from St. Louis to Hannibal, Mo · UCCL00028 NPV
- George Turner (per William M. Gillespie) and Samuel L. Clemens to Orion Clemens, 18–30 September 1861 · Carson City, Nev. Terr · UCCL00033 CU-MARK
- Samuel L. Clemens to Orion Clemens, 10? April 1862 · Aurora, Calif./Nev. Terr · UCCL11364
- Samuel L. Clemens to Orion Clemens, 13 April 1862 · Aurora, Calif./Nev. Terr · UCCL00042 NPV
- Samuel L. Clemens to Orion Clemens, 17 and 19 April 1862 · Aurora, Calif./Nev. Terr · UCCL00043 CU-MARK
- Samuel L. Clemens to Orion Clemens, 24 and 25 April 1862 · Aurora, Calif./Nev. Terr · UCCL00045 NPV
- Samuel L. Clemens to Orion Clemens, 28 April 1862 · Aurora, Calif./Nev. Terr · UCCL00046 NPV
- Samuel L. Clemens to Orion Clemens, 4 and 5 May 1862 · Aurora, Calif./Nev. Terr · UCCL00047 NPV
- Samuel L. Clemens to Orion Clemens, 11 and 12 May 1862 · Aurora, Calif./Nev. Terr · UCCL00048 NPV, CU-MARK
- Samuel L. Clemens to Orion Clemens, 17 May 1862 · Aurora, Calif./Nev. Terr · UCCL00049 NPV, CU-MARK
- Samuel L. Clemens to Orion Clemens, 2 June 1862 · Aurora, Calif./Nev. Terr · UCCL00050 NPV
- Samuel L. Clemens to Orion Clemens, 9 June 1862 · Aurora, Calif./Nev. Terr · UCCL02778 NPV
- Samuel L. Clemens to Orion Clemens, 22 June 1862 · Aurora, Calif./Nev. Terr · UCCL00052 ViU
- Samuel L. Clemens to Orion Clemens, 25 June 1862 · Aurora, Calif./Nev. Terr · UCCL00053 NPV, CU-MARK
- Samuel L. Clemens to Orion Clemens, 9 July 1862 · Aurora, Calif./Nev. Terr · UCCL00054 CU-MARK
- SLC to Orion Clemens, 21 July 1862 · Aurora, California/Nevada Territory · UCCL12722 CU-MARK
- Samuel L. Clemens to Orion Clemens, 23 July 1862 · Aurora, Calif./Nev. Terr · UCCL00055 NPV
- SLC to Orion Clemens, 28 July 1862 · Aurora, California/Nevada Territory · UCCL12723 CU-MARK
- Samuel L. Clemens to Orion Clemens, 30 July 1862 · Aurora, Calif./Nev. Terr · UCCL00056 NPV
- Samuel L. Clemens to Orion Clemens, 7 August 1862 · Aurora, Calif./Nev. Terr · UCCL00057 NPV
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 21 October 1862 · Virginia City, Nev. Terr · UCCL00060 NPV
- SLC to Orion Clemens, 7 May 1863 · San Francisco, Calif · UCCL12990 Me4
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 20 June 1863 · San Francisco, Calif · UCCL00068 CU-MARK
- Samuel L. Clemens to Orion Clemens, 14 April 1864 · Virginia City, Nev. Terr · UCCL11066 Nv-Ar
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 25 May 1864 · Virginia City, Nev. Terr · UCCL00081 CU-MARK
- Samuel L. Clemens to Orion Clemens, 26 May 1864 · Virginia City, Nev. Terr · UCCL00082 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 13 and 14 August 1864 · San Francisco, Calif · UCCL00085 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 28 September 1864 · San Francisco, Calif · UCCL00088 CU-MARK
- Samuel L. Clemens to Orion Clemens, 18 October 1864 · San Francisco, Calif · UCCL00090 CU-MARK
- Samuel L. Clemens to Orion Clemens, 11 November 1864 · San Francisco, Calif · UCCL00091 CU-MARK
- SLC to Orion Clemens, 2 May 1865 · San Francisco, Calif · UCCL10792 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 19 and 20 October 1865 · San Francisco, Calif · UCCL00092 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 13 December 1865 · San Francisco, Calif · UCCL00093 CU-MARK
- Samuel L. Clemens to Orion Clemens, 21 February 1868 · Washington, D.C · UCCL00198
- Samuel L. Clemens to Orion Clemens, 3? July 1869 · Elmira, N. Y · UCCL11698 CU-MARK
- SLC to Orion Clemens, 13 April 1870 · Buffalo, N.Y · UCCL12761 CU-MARK
- Samuel L. Clemens to Orion Clemens, 19? April 1870 · Buffalo, N.Y · UCCL00456 CU-MARK
- Samuel L. Clemens to Orion Clemens, 21 April 1870 · Buffalo, N.Y · UCCL00457 CU-MARK
- Samuel L. Clemens to Orion Clemens, 15 July 1870 · Elmira, N.Y · UCCL00489 CU-MARK
- Samuel L. Clemens to Orion Clemens, 1 August 1870 · Elmira, N.Y · UCCL00493 CU-MARK
- Samuel L. Clemens to Orion Clemens, 2 September 1870 · Buffalo, N.Y · UCCL00499 CU-MARK
- Samuel L. Clemens to Orion Clemens, 9 September 1870 · Buffalo, N.Y · UCCL00504 NPV
- Samuel L. Clemens to Orion Clemens, 5 November 1870 · Buffalo, N.Y · UCCL00524 NPV, CU-MARK
- Samuel L. Clemens to Orion Clemens, 11 November 1870 · Buffalo, N.Y · UCCL00531 CU-MARK
- SLC to Orion Clemens, 19 November 1870 · Buffalo, N.Y · UCCL12768 CU-MARK
- Samuel L. Clemens to Orion Clemens, 21? November 1870 · Buffalo, N.Y · UCCL00537 NPV
- Samuel L. Clemens to Orion Clemens, 22 February 1871 · Buffalo, N.Y · UCCL00579 CU-MARK
- Samuel L. Clemens to Orion Clemens, 4 March 1871 · Buffalo, N.Y · UCCL00583 NPV
- Samuel L. Clemens to Orion Clemens, 9 March 1871 · Buffalo, N.Y · UCCL00584 PBL
- Samuel L. Clemens to Orion Clemens, 10 March 1871 · Buffalo, N.Y · UCCL02453 NN-BGC
- Samuel L. Clemens to Orion Clemens, 11 and 13 March 1871 · Buffalo, N.Y · UCCL00587 CU-MARK
- Samuel L. Clemens to Orion Clemens, 15–18 March 1871 · Buffalo, N.Y · UCCL00592 CU-MARK
- Samuel L. Clemens to Elisha Bliss, Jr., and Orion Clemens, 20 March 1871 · Elmira, N.Y · UCCL00595 CU-MARK
- Samuel L. Clemens to Orion Clemens, 4 April 1871 · Elmira, N.Y · UCCL00598 CU-MARK
- Samuel L. Clemens to Orion Clemens, 8, 9 and 10 April 1871 · Elmira, N.Y · UCCL00602 CU-MARK
- Samuel L. Clemens to Orion Clemens, 18 April 1871 · Elmira, N.Y · UCCL00603 CU-MARK
- Samuel L. Clemens to Orion Clemens, 30 April 1871 · Elmira, N.Y · UCCL00609 NPV, CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 7 June 1871 · Elmira, N.Y · UCCL00613 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 21 June 1871 · Elmira, N.Y · UCCL00619 CU-MARK
- Samuel L. Clemens to Orion Clemens, 27 June 1871 · Elmira, N.Y · UCCL00622 CU-MARK
- Samuel L. Clemens to Orion Clemens, 27 June 1871 · Elmira, N.Y · UCCL00620 CU-MARK
- Samuel L. Clemens to Orion Clemens, 29 June 1871 · Elmira, N.Y · UCCL00628 CU-MARK
- Samuel L. Clemens to Orion Clemens, 2 July 1871 · Elmira, N.Y · UCCL00630 CU-MARK
- Samuel L. Clemens to Orion Clemens, 7 July 1871 · Elmira, N.Y · UCCL00633 NPV
- Samuel L. Clemens to Orion Clemens, 31 August 1871 · Elmira, N.Y · UCCL00649 CU-MARK
- Samuel L. Clemens to Orion Clemens, 16 September 1871 · Elmira, N.Y · UCCL00652 CU-MARK
- Samuel L. Clemens to Orion Clemens, 17 September 1871 · Elmira, N.Y · UCCL00653 CU-MARK
- Samuel L. Clemens to Orion Clemens, 3? October 1871 · Hartford, Conn · UCCL11800 CU-MARK
- Olivia L. and Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 24 December 1871 · Hartford, Conn · UCCL00692 CU-MARK
- Samuel L. Clemens to Orion Clemens, 7 March 1872 · Hartford, Conn · UCCL00730 CU-MARK
- Samuel L. Clemens to Orion Clemens, 19 March 1872 · 2nd of 2 · Elmira, N.Y · UCCL00733 CU-MARK
- Samuel L. Clemens to Orion Clemens, 19 March 1872 · 1st of 2 · Elmira, N.Y · UCCL00734 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 15 May 1872 · Elmira, N.Y · UCCL00747 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 22 May 1872 · Elmira, N. Y · UCCL00752 CU-MARK
- Samuel L. Clemens to Orion Clemens, 11 August 1872 · New Saybrook, Conn · UCCL00791 CU-MARK
- Samuel L. Clemens to Orion or Mary E. (Mollie) Clemens, 16 or 17 August 1872 · New Saybrook, Conn · UCCL10727 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 5 May 1873 · Hartford, Conn · UCCL00913 CU-MARK
- Samuel L. Clemens to Orion Clemens, 4 February 1874 · Hartford, Conn · UCCL01045 CU-MARK
- Samuel L. Clemens to Orion Clemens, 18 March 1874 · Hartford, Conn · UCCL01064 CU-MARK
- Samuel L. Clemens to Orion Clemens, 10 April 1874 · Hartford, Conn · UCCL01074 CU-MARK
- Samuel L. Clemens to Orion Clemens, 23 April 1874 · Elmira, N.Y · UCCL12005 CU-MARK
- Samuel L. Clemens to Orion Clemens, 10 May 1874 · Elmira, N.Y · UCCL01089 CU-MARK
- Samuel L. Clemens to Orion and Mary E. (Mollie) Clemens, 10 June 1874 · Elmira, N.Y · UCCL01096 CU-MARK
- Samuel L. Clemens to Orion Clemens, 17 June 1874 · Elmira, N.Y · UCCL01101 CU-MARK
- Samuel L. Clemens to Orion Clemens, 29 July 1874 · Elmira, N.Y · UCCL01114 CU-MARK
- Samuel L. Clemens to Orion Clemens, 28 August 1874 · Elmira, N.Y · UCCL01120 CU-MARK
- Samuel L. Clemens to Orion Clemens, 21 September 1874 · Hartford, Conn · UCCL01128 CU-MARK
- Samuel L. Clemens to Orion Clemens, 9 December 1874 · Hartford, Conn · UCCL01162 NPV
- Samuel L. Clemens to Orion Clemens, 1 March 1875 · Hartford, Conn · UCCL01201 CU-MARK
- Samuel L. Clemens to Orion Clemens, 27 March 1875 · Hartford, Conn · UCCL01216 CU-MARK
- Samuel L. Clemens to Orion Clemens, 26 July 1875 · Hartford, Conn · UCCL01255 CU-MARK
- SLC to Orion Clemens, 24 August 1875 · Newport, R.I · UCCL12741 CU-MARK
- Samuel L. Clemens to Orion Clemens and Mary E. (Mollie) Clemens, 24 April 1876 · Hartford, Conn · UCCL12740 CU-MARK
- Samuel L. Clemens to Orion Clemens, 5 May 1877 · Hartford, Conn · UCCL01426 CU-MARK
- Samuel L. Clemens to Orion Clemens, 14 May 1877 · Hartford, Conn · UCCL01430 CU-MARK
- Samuel L. Clemens to Orion Clemens, 13 November 1877 · Hartford, Conn · UCCL10110 CU-MARK
- Samuel L. Clemens to Orion Clemens, per Fanny C. Hesse, 10 December 1877 · Hartford, Conn · UCCL01511 CU-MARK
- Samuel L. Clemens to Orion Clemens, 19 December 1877 · Hartford, Conn · UCCL01512 CU-MARK
- Samuel L. Clemens to Orion Clemens, 28 January 1878 · Hartford, Conn · UCCL01527 NPV
- Samuel L. Clemens to Orion Clemens, 21 February 1878 · Hartford, Conn · UCCL01531 CU-MARK
- Samuel L. Clemens to Orion Clemens, 23 March 1878 · Hartford, Conn · UCCL01547 CU-MARK
- Samuel L. Clemens to Orion Clemens, 9 February 1879 · Munich, Germany · UCCL01631 CU-MARK, CtHMTH
- Samuel L. Clemens to Orion Clemens, 29 May 1879 · Paris, France · UCCL01662 CU-MARK
- Samuel L. Clemens to Orion Clemens, 28 and 29 October 1879 · Hartford, Conn · UCCL01703 CU-MARK
- Samuel L. Clemens to Orion Clemens, 14 November 1879 · Chicago, Ill · UCCL01716 CU-MARK
- Samuel L. Clemens to Orion Clemens, 7 February 1880 · Hartford, Conn · UCCL01760 CU-MARK
- Samuel L. Clemens to Orion Clemens, 21 February 1880 · Hartford, Conn · UCCL01761 NPV
- Samuel L. Clemens to Orion Clemens, 26 February 1880 · Hartford, Conn · UCCL01763 NPV
- Samuel L. Clemens to Orion Clemens, 28 February 1880 · Hartford, Conn · UCCL01764 NPV
- Samuel L. Clemens to Orion Clemens, 5 March 1880 · Hartford, Conn · UCCL01766 NPV
- Samuel L. Clemens to Orion Clemens, 4 April 1880 · Hartford, Conn · UCCL01782 NPV
- Samuel L. Clemens to Orion Clemens, 25? April 1880 · Hartford, Conn · UCCL09214 CU-MARK
- Samuel L. Clemens to Orion Clemens, 6 May 1880 · Hartford, Conn · UCCL01799 CU-MARK
- Samuel L. Clemens to Orion Clemens, 12 May 1880 · Hartford, Conn · UCCL01802 CU-MARK
- Samuel L. Clemens to Orion Clemens, 1 June 1880 · Hartford, Conn · UCCL09476 CU-MARK
- Samuel L. Clemens to Orion Clemens, 22 June 1880 · Elmira, N.Y · UCCL01816 CU-MARK
- Samuel L. Clemens to Orion Clemens, 24 October 1880 · Hartford, Conn · UCCL01845 CU-MARK
- Samuel L. Clemens to Orion Clemens, 27 November 1880 · Hartford, Conn · UCCL01857 NPV, CU-MARK
- Samuel L. Clemens to Orion Clemens, 17 December 1880 · Hartford, Conn · UCCL01874 NPV
- SLC to Orion Clemens, 4 June 1881 · Hartford, Conn · UCCL01969 CU-MARK
- SLC to Orion Clemens, 15 October 1881 · Hartford, Conn · UCCL02052 CU-MARK
- SLC to Orion Clemens, 26 October 1881 · Hartford, Conn · UCCL02068 NPV
- SLC to Orion Clemens, 11 November 1881 · Hartford, Conn · UCCL02085 NPV
- SLC to Orion Clemens, 21 November 1881 · Hartford, Conn · UCCL02093 NPV
- SLC to Orion Clemens, 21 January 1882 · Hartford, Conn · UCCL02153 CU-MARK
- SLC to Orion Clemens, 26 March 1882 · Hartford, Conn · UCCL12734 CU-MARK
- SLC to Orion Clemens, 4 April 1882 · Hartford, Conn · UCCL12735 CU-MARK
- SLC to Orion Clemens and family, 5 September 1882 · Elmira, N.Y · UCCL02263 CU-MARK
- SLC to Orion Clemens, 18 November 1882 · Hartford, Conn · UCCL02307 CU-MARK
- SLC to Orion Clemens, 22 February 1883 · Hartford, Conn · UCCL02350 CU-MARK
- SLC to \"Unaddressed,\" 22 February 1883 · Hartford, Conn · UCCL02349 CU-MARK
- SLC to Jane L. Clemens, Orion and Mollie Clemens, 21 July 1883 · Elmira, N.Y · UCCL02616 CU-MARK
- SLC to Jane L. Clemens, Orion and Mollie Clemens, 24? July 1883 · Elmira, N.Y · UCCL02326 CU-MARK
- SLC to Orion Clemens, 29 August 1883 · Elmira, N.Y · UCCL02826 CU-MARK
- SLC to Orion Clemens, 4 September 1883 · Elmira, N.Y · UCCL02832 CU-MARK
- SLC to Orion Clemens, 28 September 1883 · Hartford, Conn · UCCL02841 NPV
- SLC to Jane L. Clemens and Orion Clemens, 19 December 1883 · Hartford, Conn · UCCL02866 CU-MARK
- SLC to Orion Clemens, 3 November 1884 · Hartford, Conn · UCCL03019 NPV
- SLC to Orion Clemens, 15 November 1884 · Boston, Mass · UCCL03026 NPV
- SLC to Orion Clemens, 17 November 1884 · Hartford, Conn · UCCL03082 NPV
- SLC to Orion Clemens, 26 December 1884 · Hartford, Conn · UCCL03070 NPV
- SLC to Orion Clemens, 28 December 1884 · Pittsburgh, Pa · UCCL03074 NPV
- SLC to Orion Clemens, 16 January 1885 · Chicago, Ill · UCCL03118 NPV
- SLC to Orion Clemens, 17 January 1885 · Chicago, Ill · UCCL10097 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 5 March 1885 · Hartford, Conn · UCCL03184 NPV
- SLC to Orion Clemens, 11 April 1885 · Hartford, Conn · UCCL03216 NPV
- SLC to Orion Clemens, 5 May 1885 · Hartford, Conn · UCCL03222 NPV
- SLC to Orion Clemens, 16 May 1885 · Hartford, Conn · UCCL03228 NPV
- SLC to Orion Clemens, 22 May 1885 · Hartford, Conn · UCCL03230 NPV
- SLC to Orion Clemens, 11 July 1885 · Elmira, N.Y · UCCL03257 CU-MARK
- SLC to Orion Clemens, 18 July 1885 · Elmira, N.Y · UCCL03261 CU-MARK
- SLC to Orion Clemens, 30 August 1885 · Elmira, N.Y · UCCL03282 CU-MARK
- SLC to Orion Clemens, 22 September 1885 · Hartford, Conn · UCCL03289 NPV
- SLC to Orion Clemens, 21 or 22 November 1885 · Hartford, Conn · UCCL03307 CU-MARK
- SLC to Orion Clemens, 28 November 1885 · Hartford, Conn · UCCL03316 CU-MARK
- SLC to Orion Clemens, 8 December 1885 · Hartford, Conn · UCCL03329 CU-MARK
- SLC to Orion Clemens, 18 December 1885 · Hartford, Conn · UCCL10885 NPV
- SLC to Orion Clemens, 18 February 1886 · Hartford, Conn · UCCL10473 CU-MARK
- SLC to Orion Clemens, 2 June 1886 · Hartford, Conn · UCCL03403 CU-MARK
- SLC to Orion Clemens, 6 October 1886 · Hartford, Conn · UCCL03463 CU-MARK
- SLC to Orion Clemens, 16 March 1887 · Hartford, Conn · UCCL03380 NPV
- SLC to Orion Clemens, 5 May 1887 · Hartford, Conn · UCCL03566 CU-MARK
- SLC to Orion Clemens, 28 May 1887 · Hartford, Conn · UCCL03575 CU-MARK
- SLC to Orion Clemens, 2 June 1887 · Hartford, Conn · UCCL01966 CU-MARK
- SLC to Orion Clemens, 7 September 1887 · Elmira, N.Y · UCCL03643 CU-MARK
- SLC to Orion Clemens, 8 December 1887 · Hartford, Conn · UCCL03676 NPV, CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 18 December 1887 · Hartford, Conn · UCCL03680 CU-MARK
- SLC to Orion Clemens, 22 January 1888 · Hartford, Conn · UCCL03698 CU-MARK
- SLC to Orion Clemens, 2 July 1888 · Elmira, N.Y · UCCL03727 CU-MARK
- SLC to Orion Clemens, 30 August 1888 · Hartford, Conn · UCCL10101 CU-MARK
- SLC to Orion Clemens, 16 September 1888 · Elmira, N.Y · UCCL03765 NPV
- SLC to Orion Clemens, 19 September 1888 · Elmira, N.Y · UCCL03769 CU-MARK
- SLC to Orion Clemens, 3 October 1888 · Hartford, Conn · UCCL03781 NPV
- SLC to Orion Clemens, 23 November 1888 · Hartford, Conn · UCCL03835 NPV
- SLC to Orion Clemens, 29 November 1888 · Hartford, Conn · UCCL03838 CU-MARK
- SLC to Orion Clemens, 5 January 1889 · Hartford, Conn · UCCL03847 CU-MARK
- SLC to Orion Clemens, 22 February 1889 · Hartford, Conn · UCCL13455 CU-MARK
- SLC to Jane Lampton Clemens and Orion Clemens, 3 April 1889 · Hartford, Conn · UCCL03879 CU-MARK
- SLC to Orion Clemens, 1 July 1889 · Elmira, N.Y · UCCL03904 CU-MARK
- SLC to Orion Clemens, 2 August 1889 · Elmira, N.Y · UCCL03920 CU-MARK
- SLC to Orion Clemens, 16 December 1889 · Hartford, Conn · UCCL03987 CU-MARK
- SLC to Orion Clemens, 8 January 1890 · Hartford, Conn · UCCL04005 CU-MARK
- SLC to Orion Clemens, 27 February 1890 · Hartford, Conn · UCCL04022 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 21 August 1890 · Elmira, N.Y · UCCL04083 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 31 August 1890 · Tannersville, N.Y · UCCL04090 CU-MARK
- SLC to Orion Clemens, 1 September 1890 · Tannersville, N.Y · UCCL04091 CU-MARK
- SLC to Orion Clemens, 21 November 1890 · Hartford, Conn · UCCL13459 CU-MARK
- SLC to Orion Clemens, 25 February 1891 · Hartford, Conn · UCCL04175 CU-MARK
- SLC to Orion Clemens, 30 April 1891 · Hartford, Conn · UCCL10165 CU-MARK, CU-MARK
- SLC to Orion Clemens, 30 May 1891, Hartford, Conn · UCCL13460 CU-MARK
- SLC to Orion Clemens, 28 June 1892 · Chicago, Ill · UCCL04302 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 23 August 1892 · Bad Nauheim, Germany · UCCL01768 CU-MARK
- SLC to Orion Clemens, 2 September 1892 · Bad Nauheim, Germany · UCCL01912 CU-MARK
- SLC to Orion Clemens, 21 October 1892 · Florence, Italy · UCCL12372 CU-MARK
- SLC to Orion Clemens, 22 December 1892 · Florence, Italy · UCCL11702 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 2 February 1893 · Florence, Italy · UCCL04332 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 24 April 1893 · Chicago, Ill · UCCL04386 NPV
- SLC to Orion Clemens, 26 April 1893 · New York, N.Y · UCCL04379 CU-MARK
- SLC to Orion Clemens, 1 May 1893 · New York, N.Y · UCCL04393 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 26 July 1893 · Krankenheil, Germany · UCCL04425 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 3 November 1893 · New York, N.Y · UCCL04487 CU-MARK
- SLC to Orion and Mary E. (Mollie) Clemens, 29 November 1893 · New York, N.Y · UCCL04512 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 12 April 1894 · SS New York · UCCL04717 CU-MARK
- SLC to Orion Clemens, 23 April 1894 · New York, N.Y · UCCL04726 CU-MARK
- SLC to Orion Clemens, 21 June 1894 · Paris, France · UCCL04742 CU-MARK
- SLC to Orion Clemens, 7 August 1894 · New York, N.Y · UCCL04775 CU-MARK
- SLC to Orion Clemens, 22 October 1894 · Rouen, France · UCCL11664 CU-MARK
- SLC to Orion Clemens, 28 October 1894 · Rouen, France · UCCL11665 CU-MARK
- SLC to Orion Clemens, 26 May 1895 · Elmira, N.Y · UCCL04880 CU-MARK
- SLC to Orion Clemens, 30 November 1895 · Napier, New Zealand · UCCL11517 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 14 September 1896 · London, England · UCCL05110 CU-MARK
- SLC to Orion Clemens and Mary E. (Mollie) Clemens, 1 October 1896 · London, England · UCCL12517 CU-MARK
- SLC to Orion Clemens, 28 March 1897 · London, England · UCCL05194 CU-MARK
- SLC to Orion Clemens and Mollie Clemens, 5 November 1897 · Vienna, Austria · UCCL05310 TxU-Hu
- SLC to Orion Clemens, unknown date, unknown place · UCCL13688
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