University of Washington
Pacific Northwest Regional Newspaper & Periodical Index
Covering newspapers, magazines, monographs, theses, dissertations and other material, this index goes back as far as the mid-nineteenth century. Very useful for locating primary source material on the Pacific Northwest region.
Duke University
Duke University Libraries: Finding Primary Sources
Finding primary sources can be difficult and confusing at times. This site provides a list of history databases, rare books and manuscripts, and research guides for those looking for primary resources such as diaries, letters,...