- Edison says that while apparently a quiet man in bearing, Ellsworth, after the excitement of fighting, found the tameness of a telegraph office obnoxious, and that he became a bad " gun man" in the Panhandle of Texas, where he was killed. - "Edison, His Life and Inventions", Frank Lewis Dyer and Thomas Commerford Martin.
- " Him an' th' Deacon was killed over in th' Panhandle," he said. - "Hopalong Cassidy's Rustler Round-Up Bar-20", Clarence Edward Mulford.
- This mature biography treats of important developments pertaining to ranching in the Texas Panhandle. - "Guide to Life and Literature of the Southwest", J. Frank Dobie.