The ever-increasing availability of and demand for e-content has complicated libraries’ internal records and muddied their understanding of their subscription details and holdings. Adelphi University Libraries' technical services unit realized its catalog data had drifted significantly and no longer reflected actual periodical holdings or online access entitlements. The acquisitions librarian and her staff examined vendor-supplied subscriptions details, improved their catalog records, and documented new workflows.

Identifying Errors in Periodical Holdings Statements: How AUL Improved Its Outdated ILS Records