Pacific Northwest Regional Newspaper and Periodical Index"The Regional Index contains citations from hundreds of newspapers and periodicals as well as monographs, theses, dissertations, scrapbooks, pamphlets and other ephemera dealing with all aspects of life in Seattle, Washington state and the Pacific Northwest from the 1850s to the present. The Regional Index began as a card file in 1936. A retrospective conversion project was initiated in 2000 to make the index accessible online. At the present time, more than 95,000 citations are searchable and hundreds of citations from the card file are being added each week." Produced by the University of Washington Libraries.