- Letter 272 (about August 1862) Samuel Bowles
- Letter 273 (1862?) - no ms. Louise and Frances Norcross
- Letter 274 (6 October 1862) T. W. Higginson
- Letter 275 (mid-November 1862) Samuel Bowles
- Letter 276 (late November 1862) Samuel Bowles
- Letter 277 (late November 1862) Samuel Bowles
- Letter 278 (late January 1863) - no ms. Louise and Frances Norcross
- Letter 279 (early February 1863) - no ms. Louise and Frances Norcross
- Letter 280 (February 1863) T. W. Higginson
- Letter 281 (late May 1863) - no ms. Louise and Frances Norcross
- Letter 282 (about 1863 - Franklin: late 1862) T. W. Higginson
- Letter 283 (about 1863 - Franklin: 1862) Samuel Bowles
- Letter 284 (autumn 1863) Samuel Bowles
- Letter 285 (7 October 1863) - no ms. Louise and Frances Nonrcross
- Letter 286 (mid-October 1863?) - no ms. Louise and Frances Norcross
- Letter 287 (about 1864) Susan Gilbert Dickinson
- Letter 288 (Cambridge, about 1864 - Franklin: about 1865) (1) Susan Gilbert Dickinson
- Letter 289 (Cambridge, about May 1864) Lavinia N. Dickinson
- Letter 290 (Cambridge, early June 1864) T. W. Higginson
- Letter 291 (Cambridge, 19 June 1864) Edward (Ned) Dickinson