800-222-9711

The following MARC records have had diacritic marks or other issues corrected. Please upload these files in place of the NLS version.

For more information on uploading MARC Records, see Are Your Records Up-To-Date? on the forums.

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Latest Updates

The first March files were uploaded 3/7/2023, however the NEW file is currently delayed per NLS. The Jan/Feb TBT Query Set was uploaded on 1/25/2023

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KLAS Users - Keystone Systems, Inc. logo

Keystone Systems, Inc.
8016 Glenwood Ave., Suite 200
Raleigh, NC 27612
800-222-9711