A. Replacement: Lost or stolen materials replaced based on use or reference value. Other than lost or stolen materials, replacement of heavily used literature and history only.
B. Weeding: Done when space limitations require. Main stacks duplicates have been withdrawn during a recent (2011-2012) barcoding project.
C. Out of Print acquisition: To fill in runs of serials, monographic sets, and replace lost materials. Important, core works may be acquired as they become available
D. Preservation: Items will be sent as needed for rebinding, repair. Brittle books will be recommended for preservations digitization/microfilming