The proliferation of multiple versions for bibliographic works presents numerous challenges to the cataloger and, by extension, to the catalog user. Fifteen years after the Multiple Versions Forum held inThis paper will examine the MulVer problem with regard to serial resources and will consider both the Joint Steering Committee for Revision of AngloAmerican Cataloguing Rules (JSC) mandate to revise AACR2 and the growing influence of the Functional Requirements for Bibliographic Records (FRBR) model.2 As my conclusions are aimed at current and developing solutions to the MulVer problem, the literature I cite was written largely within the last fifteen years. The paper calls for online public access catalog (OPAC) displays allowing users to more easily understand and navigate the rich, complex collections librarians assemble.Unless otherwise noted, the term "users" refers to external library users rather than to library staff members. For library staff members or internal library users, manifestation-level detail is necessary for ordering, record identification,

No abstract