Academic Search Premier (EBSCO) is a solid starting place for most research topics. The database indexes thousands of scholarly journals. To limit your search to academic journals, click the Scholarly (Peer Reviewed) Box before you enter your search terms.
Choose from 101 California newspapers online including the Sacramento Bee, Contra Costa Times, Fresno Bee, San Francisco Chronicle, San Jose Mercury News, Los Angeles Times, Modesto Bee, Santa Rosa Press Democrat. Some date from mid 1980's, others from 2001-.