ProQuest® will be performing infrastructure maintenance on August 20, 2011. A twelve (12) hour maintenance window will be required for this maintenance. The window will begin on Saturday, August 20, 2011, at 7:00PM.

The following products will be unavailable during these windows:
•New and Legacy ProQuest platform products, ProQuest Historical Newspapers
•Chadwyck-Healey products with domain names ending with
•Illumina products such as Sociological Abstracts
•ProQuest Digital Microfilm and online dissertation products
•RefWorks-COS products