Hours: The DMS Library is open Monday through Friday from 7:25 a.m. until 2:20 p.m. Circulation Policies: Loan Period: the loan period is 3 weeks for all materials. Items may be renewed once. Students may have a maximum of 3 books checked out at any time. Returns: students are urged to return library materials on time. Overdue Notices: overdue notices are sent as a courtesy. The failure to receive a notice does not absolve the borrower of the responsibility to renew or return library materials in a timely manner.