Dublin Core, <http://dublincore.org/>.
Functional Requirements of Bibliographic Records. International Federation of LibraryAssociations, München: K.G. Saur,1998.  <http://www.ifla.org/VII/s13/frbr/frbr.htm>
Godby, Carol Jean, Devon Smith, and Eric Childress (2003), “Two paths to interoperable metadata,” 2003 Dublin Core Conference, Seattle, WA, September 28-October 2, 2003, <http://www.ischool.washington.edu/dc2003/>.
International Standard Text Code (ISTC), <http://www.nlc-bnc.ca/iso/tc46sc9/istc.htm>.
Machine Readable Cataloging (MARC). Library of Congress,  <http://www.loc.gov/marc/>.
Metadata Encoding and Transmission Standard (METS), <http://www.loc.gov/standards/mets/>.
Metadata Object Description Schema (MODS), <http://www.loc.gov/standards/mods/>.
Metadata Switch, <http://www.oclc.org/research/projects/mswitch/>.
Online Information Exchange (ONIX), <http://www.editeur.org/onix.html>.
Open Archives Initiative — Protocol for Metadata Harvesting (OAI-PMH), <http://www.openarchives.org/OAI/openarchivesprotocol.html>
Scorpion Project, OCLC Office of Research, <http://www.oclc.org/research/software/scorpion/>.
Simple Object Access Protocol (SOAP). World Wide Web Consortium, <http://www.w3.org/TR/SOAP/>.
Tennant, Roy. "The Importance of Being Granular," Library Journal 127(9) (May 15, 2002) p.: 32-34, <http://libraryjournal.reviewsnews.com/index.asp?layout=article&articleId=CA216337>. 
Tennant, Roy. "MARC Must Die," Library Journal (October 15, 2002), p:26-27 <http://libraryjournal.reviewsnews.com/index.asp?layout=article&articleid=CA250046>.
Tennant, Roy. "MARC Exit Strategies," Library Journal (November 15, 2002), p:27-28 <http://libraryjournal.reviewsnews.com/index.asp?layout=article&articleid=CA256611>.