Over the course of its history what is known today as the "San Diego Union Tribune" has changed names and merged with other papers ten times. What follows is a description of that sequence and where you can find these issues in Microforms (F-137) from most recent to oldest as well as the indexing information.
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The following four papers are indexed in San Diego Union Index, 1851-1860, 1868-1975. Microforms Center/Microfiche C-467
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This paper continues under various titles back to 1888. None are held by SDSU. Copies are held at SDPL and the San Diego Historical Society.
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