ProQuest will be performing infrastructure maintenance on Sunday, August 19, 2012 from 2.00 pm. A twelve (12) hour window will be required for this maintenance.

The following products will be unavailable during these windows:
• ProQuest platform products,
• Chadwyck-Healey products with domain names ending with chadwyck.com
• Illumina products such as Sociological Abstracts

Peter H