- Letter 312 (early December 1865) Susan Gilbert Dickinson
- Letter 313 (late 1865?) - no ms. Mrs. J. G. Holland
- Letter 314 (late January 1866) T. W. Higginson
- Letter 315 (early March 1866) Mrs. J. G. Holland
- Letter 316 (17 March 1866) T. W. Higginson
- Letter 317 (spring 1866?) - no ms. Catherine Scott Turner (Anthon)
- Letter 318 (early May 1866) - no ms. Mrs. J. G. Holland
- Letter 319 (9 June 1866) T. W. Higginson
- Letter 320 (about August 1866) Susan Gilbert Dickinson
- Letter 321 (late November 1866?) - no ms. Mrs. J. G. Holland
- Letter 322 (1866?) - no ms. Louise Norcross
- Letter 323 (16 July 1867) T. W. Higginson
- Letter 324 (about April 1868) Susan Gilbert Dickinson
- Letter 325 (about 1868) Susan Gilbert Dickinson
- Letter 326 (about 1868) Mrs. Luke Sweetser
- Letter 327 (about 1868) Susan Gilbert Dickinson
- Letter 328 (about 1868) Susan Gilbert Dickinson
- Letter 329 (late 1868?) - no ms. Louise and Frances Norcross
- Letter 330 (June 1869) T. W. Higginson
- Letter 331 (summer 1869?) - no ms. Louise and Frances Norcross