Life and adventures of Polk Wells (Charles Knox Poll Wells) the notorious outlaw, whose acts of fearlessness and chivalry kept the frontier trails afire with excitement, and whose roberies [sic] and other depredations in the Platte Purchase and elsewhere, have been a most frequent discussion to this day, all of which transpired during and just after the Civil War - Wells, Charles Knox Polk (G.A. Warnica, 1907)
RLIN, CTRG96-B3695. - Reproduction of original from Harvard Law School Library