Communications policies in individual U.S. state prisons and some local houses of correction and workshops about 1870. Communication policies in five New York county prisons in 1854.

Dataset sheets:

• prisons 1866-1873: by individual prisons, regulations on writing letters and receiving visits
• summary 1870: summary statistics across prisons for regulations on writing letters and receiving visits
• NY county prisons 1854: for New York State county prisons, prison regulations on conversations among prisoners, writing and receiving letters, and receiving visits

Related datasets:

• visits to prisoners in Eastern State Penitentiary, 1846-1903
• prisoner communication policies early in the 20th century
• prison communication policies late in the 20th century
• parole difficulties related to prisoners’ communication