ARL Occasional Paper 23

ARL Occasional Paper 23: After Midnight: Late Night Library Services, prepared by Lori Driscoll and Angela Mott, "investigated ARL libraries’ regular hours and, if there were late night hours, whether accommodations were made to the building and who had access; which services were offered, how they were staffed, by whom, and at what pay; and who provided building security and what other security services were offered"