In this article, problems users are having searchingudfor known works in current online public access catalogsud(OPACs) are summarized. A better understanding ofudAACR2R/MARC 21 authority, bibliographic, and holdingsudrecords would allow us to implement the approachesudoutlined in the IFLA Functional Requirements forudBibliographic Records to enhance, or â FRBRize,â ourudcurrent OPACs using existing records. The presenceudof work and expression identifiers in bibliographic andudauthority records is analyzed. Recommendations are madeudconcerning better indexing and display of works andudexpressions/manifestations. Questions are raised about theudappropriateness for the creation of true catalogs of clientserver technology that deliver records over the Internet.
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