ProQuest(r) will be performing infrastructure maintenance on May 5, 2011. A two (2) hour maintenance window will be required for this maintenance. The window will take place from Thursday, May 5, 2011, at 7:00 PM PDT to Thursday, May 5, 2011 at 9:00 PM 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 * 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]>