The Library of Congress oversaw this report on the future of bibliographic control. Among its findings, the report suggests that increased efficiencies and the elimination of redundancies should help libraries increase access to rare, unique, and hidden materials. "Libraries need to expose their hidden long tail, especially in nontextual formats; catalog those unique and rare materials and they too will be exposed and used. How best to do that remains at issue. The report raised questions about MARC, which lacks extensibility and interoperability. More and more, the ways people come at library resources are going to be from places not created or designed by librarians.
Library of Congress. (2008). On the Record: Report of The Library of Congress Working Group on the Future of Bibliographic Control. Washington, DC: Author.