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2016

02/24/2016 Changes to MDS-Serials File (PDF, 35 KB)

2014

12/15/2014 Update on Phase Three of RDA Changes to Name Authority Records (PDF 30 KB)
12/01/2014 Phase Three of RDA Changes to Name Authority Records Begins (PDF 328 KB)
10/23/2014 Phase Three of RDA Changes to Name Authorities Records (PDF 33 KB)
06/12/2014 Undistributed Bibliographic Records (PDF 13 KB)
04/04/2014 Problem with Distribution of Bibliographic Records (PDF 19 KB)

2013

04/02/2013 Increased Bibliographic Record Distribution to Begin in April 2013 (PDF 289 KB)
03/20/2013 Increased Bibliographic Record Distribution Resulting From RDA Name Authority Changes (PDF 115 KB)
03/05/2013 Phase Two Begins for RDA Changes to Name Authority Records (PDF 114 KB)

2012

10/01/2012 American Mathematical Society Pilot Becomes Permanent (PDF 49 KB)
09/27/2012 Conversion of Older Authentication Codes (PDF 48 KB)
08/01/2012 MDS Bibliographic and Authority Files from July 2012 Corrected and Re-Posted (PDF 10 KB)
07/17/2012 More About RDA Changes to Name Authority Records (PDF 128 KB)
04/25/2012 Advance Notice: RDA Changes to Name Authority Records (PDF 91 KB)
02/06/2012 Non-Latin Data in Subject Authority Records (PDF 99 KB)

2011

11/02/2011 Subjects Authorities Distribution Error (PDF 287 KB)
05/27/2011 Subject Authority Records Enhanced with Geographic Coordinates (PDF 95 KB)
05/03/2011 Changes to Subject Heading and Classification MDS Products (PDF 29 KB)

2010

12/22/2010 Reissuing Genre/Form Authority Records (PDF 21 KB)
12/21/2010 LC Will Not Change "Dept." to "Department" at This Time (PDF 27 KB)
09/29/2010 LC ILS Upgrade Impact on MDS (PDF 13 KB)
08/17/2010 Mongolian Cataloging Project (PDF 21 KB)
08/12/2010 Pilot Project: AMS Subject Terms in CIP Records (PDF 21 KB)
06/29/2010 New Bibliographic and Authority Elements, and Name Authority Testing (PDF 420 KB)
05/26/2010 Subject Headings for Cooking and Cookbooks (PDF 120 KB)
04/21/2010 Library of Congress Policy Statements (PDF 103 KB)
04/19/2010 Name Authority Records Enhanced with Geographic Coordinates (PDF 108 KB)

2009

12/07/2009 Seeding MDS-Serials Records with ISSN-L (PDF 101 KB)
12/07/2009 Changes to Copyright Serial Registrations (PDF 104 KB)
06/22/2009 Upcoming Record Cleaning Projects (PDF 77 KB)
05/22/2009 New Bibliographic Record Elements (PDF 33 KB)

2008

12/09/2008 Conversion of Obsolete Language Codes (PDF 96 KB)
06/10/2008 New Character Sets in MDS-Books (PDF 120 KB)
05/12/2008 Non-Latin Data in Name Authority Records (PDF 103 KB)
04/11/2008 Availability of 2007 Retrospective Files for Distribution to MDS Customers (PDF 99 KB)
02/19/2008 Distribution of Subject Authority Records for Validation Purposes (PDF 102 KB)
02/14/2008 Name Authority Record Cleanup Projects (PDF 100 KB)

2007

11/19/2007 New Character Sets in MDS-Maps, MDS-Music, MDS-Visual Materials, and MDS-Computer Files (PDF 99 KB)
09/27/2007 Regarding Pricing on Bulk Access to Copyright Cataloging Information
09/11/2007 Problem with Extended Arabic Characters (PDF 17 KB)
08/16/2007 MARC 21 Data Elements in LC Bibliographic and Authority Records (PDF 44 KB)
07/09/2007 Distribution of Integrating Resource Records in MDS-Serials (PDF 19 KB)
06/21/2007 Change in Practice for Spacing in Chinese, Japanese, and Korean Language Bibliographic Records (PDF 21 KB)
05/25/2007 Distribution of Subject Authority Records for Validation Purposes (PDF 36 KB)
04/23/2007 Genre/Form Subject Authority Records (155) in MDS-Subject Authorities (PDF 25 KB)
04/20/2007 Increase in Encoding Level from Prepublication Status No Longer Available
01/30/2007 Conversion of CONSER Encoding Level 4 Records (PDF 25 KB)

2006

11/17/2006 Discontinuance of MDS-NUCMC (PDF 17 KB)
11/09/2006 Discontinuance of MDS-HLAS (PDF 17 KB)
11/01/2006 Discontinuance of the CDS Alert Service (PDF 17 KB)
11/01/2006 Merging of MDS-Books Arabic with MDS-Books All (PDF 17 KB)
11/01/2006 Merging of MDS-Books CJK with MDS-Books All (PDF 17 KB)
11/01/2006 Merging of MDS-Books Hebrew with MDS-Books All (PDF 17 KB)
11/01/2006 MDS-Books All to Contain JACKPHY Records (PDF 17 KB)
07/17/2006 Changes to Copyright Records (PDF 17 KB)
05/31/2006 New Character Sets in MDS-Serials Records
04/24/2006 MARC 21 Data Elements in LC Bibliographic and Authority Records (PDF 26 KB)
02/06/2006 Name Authority Records Enhanced with Geographic Data

2005

10/25/2005 LC ILS Upgrade Impact on MDS
10/12/2005 MARC 21 Data Elements in LC Bibliographic and Authority Records
03/10/2005 Distribution of "OCLC Replacement Records": A Subset of PREMARC Records
01/18/2005 Machine-generated Contents Notes

2004

07/22/2004 MARC 21 Data Elements in LC Bibliographic and Authority Records
06/23/2004 LC Plan to Accommodate 13-Digit ISBN

2003

10/01/2003 Summaries for Nonfiction Juvenile Titles Suspended Indefinitely
04/28/2003 Field 017 No Longer Supplied for Maps Records
02/25/2003 Records for Copyright Paperback Collection
02/19/2003 MARC 21 Data Elements in LC Bibliographic and Authority Records

2002

11/18/2002 Field 072 No Longer Supplied for Maps Records
11/08/2002 Changes in MDS Effective January 2003
06/13/2002 MARC 21 Data Elements in LC Bibliographic and Authority Records
03/26/2002 Additions to the MARC Code Lists for Relators, Sources and Description Conventions
03/12/2002 Additions to the MARC Code List for Languages

2001

12/01/2001 Additions to the MARC Code Lists for Relators, Sources, Description Conventions
11/27/2001 New MARC 21 Data Elements in LC Bibliographic Records
11/20/2001 Subject Headings that Include the Term Handicapped
11/20/2001 Name Authority Records with Field 053 Indicator Values
10/09/2001 CDS to Cease MDS Tapes and Cartridges in Favor of FTP
05/22/2001 New MARC 21 Data Elements in LC Bibliographic and Authority Records
03/27/2001 CONSER Publication Pattern Records
03/13/2001 Converted Pinyin Bibliographic Records Distributed via MDS-Books

2000

12/19/2000 Improved MDS File Names
12/06/2000 African American Subject Headings
12/05/2000 First of the Converted Pinyin Bibliographic Records Distributed
09/25/2000 Changes to MDS Services Regarding Records for Electronic Resources