Engraving published as frontpiece of book "Trial and imprisonment of Jonathan Walker: at Pensacola, Florida, for aiding slaves to escape from bondage." Published Boston, at the Anti-Slavery Society Office, 25 Cornhill, 1848
The Branded Hand of Captain Jonathan Walker sixth-plate by Southworth and Hawes, 1845. The inscription on the back of the case reads: "This Daguerreotype was taken by Southworth Aug. 1845 it is a copy of Captain Jonathan Walker's hand as branded by…