1. A popular essay on subjects of penal law, and on uninterrupted solitary confinement at labor, as contradistinguished to solitary confinement at night and joint labor by day, in a letter to John Bacon Author(s): Lieber, Francis, 1800-1872 Publication: Philadelphia : [s.n.], 1838 Subject(s): Prisons -- organization & administrationPunishmentUnited States