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Dear ProQuest Customer,

Just a reminder that ProQuest will be taking a maintenance window this weekend to enhance the ProQuest® online information system by further optimizing system performance. To install these modifications, we are scheduling a 12-hour maintenance window to begin Saturday, April 8, at 22:00 EDT (02:00 BST).

The following products will be unavailable during this window:

• ProQuest®, including ProQuest interface products, ProQuest Historical Newspapers (traditional and graphical K12 interface), American Periodicals Series
• Third-party databases such as CINAHL® Database with Full Text
• ProQuest Archiverâ„¢
• eLibrary®, SIRS® and CultureGramsâ„¢
• "Digital Vault" products, including the Gerritsen Collection, ProQuest Dissertations and Theses, Policy File, DNSA and Digital Sanborn Maps