1. Second circular letter, addressed to the national committees in the several countries proposing to take part in the congress Author(s): National Prison Association of the United States, author. Publication: New York : American Church Press Company, printers, 1872 Subject(s): PrisonsCriminal LawCongresses as TopicOrganization and AdministrationInternational Penal and Prison Congress
2. Circular letter addressed to the national committees in the several countries proposing to take part in the congress Author(s): National Prison Association of the United States, author. Publication: New York : American Church Press Company, 1871 Subject(s): PrisonsCriminal LawCongresses as TopicOrganization and AdministrationInternational Penal and Prison Congress