Retaining Current, Previous and Supplemental Volumes Use and content will dictate whether more than the current volume is retained in the active reference collection. Serials are generally retained in increments of one, two, five or ten years. A few titles are kept undefinedly, e.g. Statistical Abstracts of the U.S. and the World Almanac, etc. Holdings statements can be found on the online catalog. All supplemental volumes will be retained until superseded.
Older volumes remove from active reference collection and moved to periodical storage.
Weeding The Reference Coordinator, working with the appropriate division librarian, will periodically evaluate and weed older editions of reference materials in the reference collection and in storage. All serials and continuations will also be periodically reviewed with the appropriate division librarian. Bibliographic Control To organize and bring under bibliographic control the material acquired. All classified reference material will be included in the online catalog. All reference periodicals, i.e. indexes, abstracts, loose-leaf, etc., will be included in the print periodical list.