You can also strategically browse the UO Libraries' catalog (LibrarySearch) by conducting an Advanced Search. Set the search filters to "Subject" and "Exact phrase," and conduct a search for your town (e.g. "Eugene, Or."). This should narrow your results to only documents about the particular town. Add additional keyword searches, such as neighborhood names or significant figures, to further refine your scope.
This is just one strategy to find local periodicals, such as community newsletters: