1. Notices of the original, and successive efforts, to improve the discipline of the prison at Philadelphia, and to reform the criminal code of Pennsylvania, with a few observations on the penitentiary system Author(s): Vaux, Roberts, 1786-1836 Publication: Philadelphia : Published by Kimber and Sharpless, 1826 Subject(s): PrisonsPunishmentPhiladelphia
2. Reply to two letters of William Roscoe, esquire, of Liverpool, on the penitentiary system of Pennsylvania Author(s): Vaux, Roberts, 1786-1836 Publication: Philadelphia : Jesper Harding, printer, 1827 Subject(s): PrisonsPunishment -- psychologyPennsylvania