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• PENDING: Implementation plans related to Update No. 6 (October 2005) to the MARC 21 formats are currently unavailable.
• CURRENT: May 2006 (PDF - 4 pp; 84K)
• EARLIER: October 2005 (PDF - 3 p.; 52K); September 2004 (PDF - 3 p; 59K); March 2003 (PDF - 3 p; 90K); March 2002 (PDF 3 p.; 39K); April 2000, August 1999 (PDF - 7 p.; 77K)