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Home > FAQs > DOCLINE -- Availability of Union List Products |
The "Holdings by Library Group" Union List Products are updated starting on the first Friday of the month in January, April, July, and October.
The "Holdings by State/Province" Union List Products are updated starting on the first Friday of the month in February, May, August, and November.
Union lists in a particular category are not available while they are being updated. While the union lists are being updated, anyone who tries to access a union list in that category will get an error message from the web browser saying that the file cannot be found. Updates begin on Fridays at 3 p.m. Eastern Time and are usually completed by Sunday evening.
Return to the list of DOCLINE FAQs | Return to the list of NLM FAQs
http://www.nlm.nih.gov/services/doc_union_list.html
Last reviewed: 17 September 2008
Last updated: 17 September 2008
First published: 08 October 2000
Metadata| Permanence level: Permanence Not Guaranteed