11. 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
12. Labors for the prisoner. No. III Author(s): Spear, John Murray, 1804-1887 Publication: [Boston : Printed by Andrews & Prentiss, 1850] Subject(s): PrisonersSocial SupportWorkMassachusetts
13. Labors for the prisoner Author(s): Spear, John Murray, 1804-1887 Publication: [Boston? : s.n., 1848] Subject(s): PrisonersSocial SupportMassachusetts