20 February 2009

The next ProQuest® platform maintenance window will be on February 21, 2009. A twelve (12) hour maintenance window will take place for infrastructure maintenance. The window will begin Saturday, February 21, 2009, at 7:00 PM Pacific Standard Time to Sunday, February 22, 2009 at 7:00 AM Pacific Standard Time.

The following products will be unavailable during these windows:

• ProQuest platform products, ProQuest Historical Newspapers (traditional and graphical K12 interface), American Periodicals Series
• K-12 products such as eLibrary®, SIRS®, and CultureGrams™
• Chadwyck-Healey products housed in the US (all products with domain names ending with chadwyck.com)
• CSA platform products such as CSA Illustrata: Natural Sciences, CSA Sociological Abstracts
• COS/RefWorks

Please share this information with your colleagues.

Jayne Dickson

CDL Information Services

California Digital Library

415 20th Street

Oakland, CA 94612-2901

510.987.0550

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