Addressees: Osgood, James R
- Samuel L. Clemens to James R. Osgood, 31 March 1872 · Elmira, N.Y · UCCL00739
- Samuel L. Clemens to James R. Osgood, 15 September 1872 · London, England · UCCL00937
- SLC to James R. Osgood, 4 May 1874 · Elmira, N.Y · UCCL10388
- Samuel L. Clemens to James R. Osgood, 13 January 1875 · Hartford, Conn · UCCL01179
- Samuel L. Clemens to James R. Osgood, 12 February 1875 · Hartford, Conn · UCCL01193
- Samuel L. Clemens to James R. Osgood, 20 February 1875 · Hartford, Conn · UCCL11540
- Samuel L. Clemens to James R. Osgood, 13 July 1875 · Hartford, Conn · UCCL01249
- Samuel L. Clemens to James R. Osgood, 20 July 1875 · Hartford, Conn · UCCL01251
- Samuel L. Clemens to James R. Osgood, 23 July 1875 · Hartford, Conn · UCCL01254
- Samuel L. Clemens to James R. Osgood, 16 August 1875 · Newport, R.I · UCCL01257
- Samuel L. Clemens to James R. Osgood, 17 January 1876 · Hartford, Conn · UCCL01298
- Samuel L. Clemens to James R. Osgood, 25 January 1876 · Hartford, Conn · UCCL01302
- Samuel L. Clemens to James R. Osgood, 19 October 1880 · Hartford, Conn · UCCL10668
- Samuel L. Clemens to James R. Osgood, 17 November 1880 · Hartford, Conn · UCCL01854
- Samuel L. Clemens to James Osgood, 26 November 1880 · Hartford, Conn · UCCL01856
- Samuel L. Clemens to James R. Osgood, 13 December 1880 · Hartford, Conn · UCCL01871
- Samuel L. Clemens to James R. Osgood, 16 December 1880 · Hartford, Conn · UCCL01873
- Samuel L. Clemens to James R. Osgood, 27 December 1880 · Hartford, Conn · UCCL12250
- SLC to James R. Osgood, 5 January 1881 · Hartford, Conn · UCCL13129
- SLC to James R. Osgood, 21 January 1881 · Hartford, Conn · UCCL01894
- SLC to James R. Osgood, 23 January 1881 · Hartford, Conn · UCCL01895
- SLC to James R. Osgood, 1 February 1881 · Hartford, Conn · UCCL01901
- SLC to James R. Osgood, 6 February 1881 · Hartford, Conn · UCCL11962
- SLC to James R. Osgood, 12 February 1881 · Hartford, Conn · UCCL01907
- SLC to James R. Osgood, 7 March 1881 · Hartford, Conn · UCCL01924
- SLC to James R. Osgood, 9–10 March 1881 · Hartford, Conn · UCCL08970
- SLC to James R. Osgood, 26 March 1881 · Hartford, Conn · UCCL01931
- SLC to James R. Osgood, 30 March 1881 · Hartford, Conn · UCCL02551
- SLC to James R. Osgood, 4 April 1881 · Hartford, Conn · UCCL13719
- SLC to James R. Osgood, 7 May 1881 · Hartford, Conn · UCCL01949
- SLC to James R. Osgood, 12 May 1881 · Hartford, Conn · UCCL09209
- SLC to James R. Osgood, 16 May 1881 · Hartford, Conn · UCCL10435
- SLC to James R. Osgood, 21 May 1881, Hartford, Conn · UCCL14010
- SLC to James R. Osgood, 30 May 1881 · Hartford, Conn · UCCL01961
- SLC to James R. Osgood, 3 June 1881 · Hartford, Conn · UCCL01968
- Samuel L. Clemens to James R. Osgood, 13 June 1881 · Hartford, Conn · UCCL12944
- SLC to James R. Osgood, 22 August 1881 · Elmira, N.Y · UCCL02011
- SLC to James R. Osgood, 23 August 1881 · Elmira, N.Y · UCCL02013
- SLC to James R. Osgood, 2 October 1881 · Hartford, Conn · UCCL02041
- SLC to James R. Osgood, 4 October 1881 · Hartford, Conn · UCCL13536
- SLC to James R. Osgood, 19 October 1881 · Hartford, Conn · UCCL02056
- SLC to James R. Osgood, 21 October 1881 · Hartford, Conn · UCCL02058
- SLC to James R. Osgood, 24 October 1881 · Hartford, Conn · UCCL02061
- SLC to James R. Osgood, 24 October 1881 · Hartford, Conn · UCCL02060
- SLC to James R. Osgood, 25 October 1881 · Hartford, Conn · UCCL02064
- SLC to James R. Osgood, 27 October 1881 · Hartford, Conn · UCCL09947
- SLC to James R. Osgood, 27 October 1881 · Hartford, Conn · UCCL02074
- SLC to James R. Osgood, 28 October 1881 · Hartford, Conn · UCCL02555
- SLC to James R. Osgood, 31 October 1881 · Hartford, Conn · UCCL02078
- SLC to James R. Osgood, 1 November 1881 · Hartford, Conn · UCCL02079
- SLC to James R. Osgood, 2 November 1881 · Hartford, Conn · UCCL11171
- SLC to James R. Osgood, 7 November 1881 · Hartford, Conn · UCCL09346
- SLC to James R. Osgood, 28 November 1881 · Montreal, Canada · UCCL02104
- SLC to James R. Osgood, 8 December 1881 · Montreal, Canada · UCCL02112
- SLC to James R. Osgood, 12 December 1881 · Hartford, Conn · UCCL02116
- SLC to James R. Osgood, 29 December 1881 · Hartford, Conn · UCCL02559
- SLC to James R. Osgood, 31 December 1881 · Hartford, Conn · UCCL02130
- SLC to James R. Osgood, 4 January 1882 · Hartford, Conn · UCCL02142
- SLC to James R. Osgood, 7 January 1882 · Hartford, Conn · UCCL02145
- SLC to James R. Osgood, 25 January 1882 · Hartford, Conn · UCCL02154
- SLC to James R. Osgood, 12 February 1882 · Hartford, Conn · UCCL02159
- SLC to James R. Osgood, 1 March 1882 · Hartford, Conn · UCCL10437
- SLC to James R. Osgood, 4 March 1882 · Hartford, Conn · UCCL02561
- SLC to James R. Osgood, 23 March 1882 · Hartford, Conn · UCCL02183
- SLC to James R. Osgood, 25 March 1882 · Hartford, Conn · UCCL09117
- SLC to James R. Osgood, 7 April 1882 · Hartford, Conn · UCCL02197
- SLC to James R. Osgood, 14 April 1882 · Hartford, Conn · UCCL02135
- SLC to James R. Osgood, 17 April 1882 · Hartford, Conn · UCCL01541
- SLC to James R. Osgood, May? 1882 · Unknown place · UCCL13314
- SLC to James R. Osgood, 3 June 1882 · Hartford, Conn · UCCL02562
- SLC to James R. Osgood, 11 June 1882 · Hartford, Conn · UCCL08975
- SLC to James R. Osgood, 19 July 1882 · Elmira, N.Y · UCCL02238
- SLC to James R. Osgood, 31 July 1882 · Elmira, N.Y · UCCL12448
- SLC to James R. Osgood, 18 September 1882 · Elmira, N.Y · UCCL02269
- SLC to James R. Osgood, 27 September 1882 · Elmira, N.Y · UCCL09749
- SLC to James R. Osgood, 18 October 1882 · Hartford, Conn · UCCL02292
- SLC to James R. Osgood, 23 October 1882 · Hartford, Conn · UCCL12951
- SLC to James R. Osgood, 5 January 1883 · Hartford, Conn · UCCL02320
- SLC to James R. Osgood, 15 January 1883 · Hartford, Conn · UCCL02334
- SLC to James R. Osgood, 21 January 1883 · Hartford, Conn · UCCL01632
- SLC to James R. Osgood, 2 February 1883 · Hartford, Conn · UCCL09748
- SLC to James R. Osgood, 7 March–14 March 1883 · Hartford, Conn · UCCL08820
- SLC to James R. Osgood, 13 March 1883 · Hartford, Conn · UCCL08973
- SLC to James R. Osgood, 6 April 1883 · Hartford, Conn · UCCL02803
- SLC to James R. Osgood, 17 April 1883 · Hartford, Conn · UCCL02372
- SLC to James R. Osgood, 1 September 1883 · Elmira, N.Y · UCCL04139
- SLC to James R. Osgood, 13 September–14 September 1883 · New York, N.Y · UCCL10905
- SLC to James R. Osgood, 21 December 1883 · Hartford, Conn · UCCL02872
- SLC to James R. Osgood, 17 January 1884 · Hartford, Conn · UCCL02890
- SLC to James R. Osgood, 3–4 February 1884 · Hartford, Conn · UCCL12892
- SLC to James R. Osgood, 20 March 1884 · Hartford, Conn · UCCL02937
- SLC to James R. Osgood, 24 May 1884 · Hartford, Conn · UCCL02985
- SLC to James R. Osgood, 27 May 1884 · Hartford, Conn · UCCL12837
- SLC to James R. Osgood, 5 May 1885 · Hartford, Conn · UCCL10070
- SLC to James R. Osgood, 20 March 1890 · Hartford, Conn · UCCL04030
- SLC to James R. Osgood, 18 December 1906 · Unknown place · UCCL09509
- SLC to James R. Osgood, 28 May n.y. · Hartford, Conn · UCCL09867
- SLC to James R. Osgood, Unknown date · Unknown place · UCCL09878
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