1. Dempsey, Lorcan. "The Library Catalogue in the New Discovery Environment: Some Thoughts.” Retrieved From Ariadne, no. 48 (2006).
2. Calhoun, Karen. “The Changing Nature of the Catalog and Its Integration with Other Discovery Tools”. 52. Ithaca: Cornell University Library. Prepared for the Library of Congress, 2006.
3. Next Generation Catalog discussion list, NGC41.1B.http://dewey.library.nd.edu/mailing-Ilsts/ngc4lib/
4. Joint Steering Committee for the Revision of AACR.www.collectioncanada.ca/jsc/rda.html
5. Lynch, Clifford. Digital Collections, Digital Libraries and the Digitization of Cultural Heritage Information. First Monday, volume 7, number 5 (May 2002), URL: http://firstmonday.org/issues/lssue7_5/lynch/lndex.html