Urlich's Periodical Directory Online: Search this database for the title of the magazine, journal or newspaper. Records usually include a description of the publication and may also include a "Reviews" tab which provides further insight into the purpose and potential bias of the publication.
Check the website of the magazine, journal or newspaper. There may be an About Us link. You can also determine bias by learning more about the editorial board or editor-in-chief and, in the case of magazines, examining the advertisements.
Standard Rate & Data Services (SRDS) Publications: This database is useful for non-scholarly sources. Find circulation statistics and a link to the media kit (from the publication's web site) which includes readership demographics. Learn more about Searching SRDS.