Records related to the circulation of library materials which contain
the names or other personally identifying details regarding the users
of the State Library or any local library which is established or maintained
under any law of the Commonwealth or the library of any university, college
or educational institution chartered by the Commonwealth or the library
of any public school or branch reading room, deposit station or agency
operated in connection therewith, shall be confidential and shall not
be made available to anyone except by a court order in a criminal proceeding.