The Charles Upham Shepard Papers are housed in the Amherst College Special Collections; genealogical records of the family can be found at the New England Historic Genealogical Society, and Books of J. Ross Browne can be found in the Mortimer Rare Book Room, Neilson Library at Smith College.

Those interested in the Southworth, Dickinson, and related families are urged to consult Brown Thurston, Thurston Genealogies (Portland, Me., 1892); Mayotta Southworth Kendrick, The Southworth Family: 100 Summers on Deer Isle, 1885-1985; George C. S. Southworth, Descendants of Constant Southworth (Salem, Ohio, 1897); A Farm in the Firelands of Ohio: Memories of the Post-Civil War Period by Dayton A. Williams (Cleveland Heights, Ohio, 2004), which has letters of Edward Southworth; and the Charles Upham Shepard Papers at Amherst College.