N.J. Stat. § 30:8-16: Record of prisoners in jails or other penal or reformatory institutions

The keeper of every jail or other penal or reformatory institution supported by public moneys of any county or municipality, shall keep a book provided by the board of freeholders in the county where the institution shall be, in which he shall set forth the date of entry, date of discharge, the description, age, birthplace and such other information as he may be able to obtain as to the inmates committed to his care, which book shall be exposed in a conspicuous place in the institution and shall be open to public inspection.