The San Diego Union-Tribune and its predecessors are available in a mix of formats. These are subscription databases requiring VPN login when off campus. Use UCSD Protected WiFi on campus.
Online access to UCSD students, faculty, and staff is available for:
Or try this convenient landing page for all San Diego on NewsBank text and image versions dating back to 1871, and including newer blog and web editions.
Microfilm access is available for issues from 1871-2018. The newspaper has gone through various name changes, but all are 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 short time period (day, week, month) - see https://sandiegouniontribune.newsbank.com/ and pricing for access.