16 March 2011 ProQuest(r) will be performing infrastructure maintenance on March 19, 2011. A twelve (12) hour maintenance window will be required for this maintenance. The window will take place from Saturday, March 19, 2011, at 7:00 PM PDT to Sunday, March 20, 2011 at 7:00 AM PDT. The following products will be unavailable during these windows: * ProQuest platform products (including the new platform), ProQuest Historical Newspapers (traditional and graphical K12 interface), American Periodicals Series * Chadwyck-Healey products such as Literature Online, Periodicals Archive Online, and Early English Books Online * CSA Illumina products such as CSA Technology Research Database, Illustrata: Natural Sciences, and CSA Sociological Abstracts * UMI products including ProQuest Digital Microfilm and online dissertation products Please share this information with your colleagues. Jayne Dickson CDL Information Services California Digital Library University of California 510.987.0550 [log in to unmask] <mailto:[log in to unmask]>