- Letter 292 (Cambridge, June 1864) Susan Gilbert Dickinson
- Letter 293 (Cambridge, July 1864) Lavinia N. Dickinson
- Letter 294 (Cambridge, September 1864) Susan Gilbert Dickinson
- Letter 295 (Cambridge, about 1864) Lavinia N. Dickinson
- Letter 296 (Cambridge, November 1864) Lavinia N. Dickinson
- Letter 297 (Cambridge, 13 November 1864) Lavinia N. Dickinson
- Letter 298 (1864?) - no ms. Louise and Frances Norcross
- Letter 299 (about 1864 - Franklin: early 1861) Samuel Bowles
- Letter 300 (about 1864 - Franklin: December 1861) Samuel Bowles
- Letter 301 (early 1865?) - no ms. Louise Norcross
- Letter 302 (early 1865) - no ms. Louise Norcross
- Letter 303 (early 1865?) Susan Gilbert Dickinson
- Letter 304 (March 1865) - no ms. Louise Norcross
- Letter 305 (March 1865) Susan Gilbert Dickinson
- Letter 306 (about March 1865) Susan Gilbert Dickinson
- Letter 307 (March 1865) - no ms. Louise Norcross
- Letter 308 (Cambridge, mid-May 1865) Lavinia N. Dickinson
- Letter 309 (Cambridge, May 1865) Lavinia N. Dickinson
- Letter 310 (about 1865 - Franklin: about 1866) Susan Gilbert Dickinson
- Letter 311 (early November 1865) - no ms. Mrs. J. G. Holland