The Oregon Regional Union List of Serials (ORULS) is not longer available and has been removed from the Database of Databases.
From the Oregon State Library web site:
The Oregon State Library no longer provides access to the Oregon Regional Union List of Serials (ORULS). The database has not been updated for several years.
Some holdings information is available via the free version of OCLC Worldcat. Full holdings information is available through the subscription version of WorldCat, which is offered through most public libraries.
Search by serial title and limit type to ‘Serial Publication’ and location by OCLC symbol. Then select ‘Libraries worldwide that own item’.
Free Worldcat: http://www.worldcat.org/