Writing, visiting, and telephoning regulations by state for prisoners in U.S. state prisons from 1958 to 2005.

Dataset sheets:

• policies 1956-2005: summary of visiting, writing, and telephoning policies for prisoners in 1956, 1971, 1981, 1991, and 2005
• visiting 1956-81: visits to prisoners allowed per month in state prisons in 1956, 1971, and 1981
• telephoning 1971-1991: detailed telephone policies in state prisons in 1971, 1981, and 1991
• letters 1971-81: letter writing regulations for prisoners in 1971 and 1981
• visiting 1976-87: visits to prisoners allowed per month in state prisons in 1976 and 1987

Related datasets:

• prisoner communication policies in mid-19th-century U.S.
• prisoner communication policies early in the 20th century
• parole difficulties related to prisoners’ communication