Perkins School for the Blind Archive:
Letter from Charles Dickens to Samuel Gridley Howe on June 5, 1843, page 1 of 2
Perkins School for the Blind Archive:
Letter from Charles Dickens to Samuel Gridley Howe on June 5, 1843, page 2 of 2
Perkins School for the Blind Archive:
Letter from Charles Dickens to Samuel Gridley Howe on February, 23, 1868
Perkins School for the Blind Archive:
Letter from Charles Dickens to Samuel Gridley Howe on May 18, 1868