ProQuest will be performing infrastructure maintenance from 7 p.m. on Saturday, October 22 to 7 a.m. on Sunday, October 23.
The following products will be unavailable during this time:
- Legacy ProQuest platform products, ProQuest Historical Newspapers, American Periodicals Series
- Chadwyck-Healey products with domain names ending with chadwyck.com
- Illumina products such as Sociological Abstracts
- UMI products including online dissertation products