Number of cells and average number of prisoners for individual U.S. state prisons (and some large houses of correction and workhouses) in 1868 and 1873. Calculated prisoners per cell.
Prisoners received, average number, number discharged, number present on Dec. 31 in Eastern State Penitentiary, by year, 1829 to 1903.
Visits per year and per prisoner by members of the Philadelphia Society for Alleviating the Miseries of Public Prisons, 1846-1903, with some per visitor data. Visits to prisoners by moral instructor employed by Eastern State Penitentiary.
Communication policies for prisoners (visiting prisoners and prisoners writing and receiving letters) in U.S. states prisons and in some other countries’ prisons in 1902 and 1912.
Writing, visiting, and telephoning regulations by state for prisoners in U.S. state prisons from 1958 to 2005.
Prisoners per sleeping space# in U.S. federal and state prisons in 1997, by prison architecture, weighted by prison populations. Similar statistics for U.S. local jails in 1996.