1. Letters on the comparative merits of the Pennsylvania and New York systems of penitentiary discipline Author(s): Massachusetts man. Publication: Boston : Printed by Perkins & Marvin, 1836 Subject(s): PrisonsPrisonersSocial SupportPrivacyReligionPennsylvaniaNew York
2. The Pennsylvanian system of prison discipline triumphant in France Author(s): Sumner, George, 1817-1863 Publication: Philadelphia : Printed by I. Ashmead, 1847 Subject(s): Prisons -- organization & administrationPrisonersPrivacyHealth StatusFranceUnited States
