Microfilm access is available for issues from 1871-2018. The newspaper has gone through various name changes, but all are filed together at call number XF 248. Microfilm provides cover-to-cover page images of all issues.
Non-affiliates located outside of San Diego may purchase articles or have access to the San Diego Union-Tribune archives for a specified time period via Newsbank's archive; information on pricing options is available on their website.
Another option for access is the Newspaper Room of the San Diego Public Library, which can search for and send copies of obituaries and articles from the San Diego Union-Tribune. Modest fees charged.
Los Angeles Times
Other Los Angeles Newspapers