Key Databases for Journal Articles
Political science researchers rely heavily on journal articles. Library Quick Search is a great place to find these: use search terms related to your topic and limit to journal articles under 'Content Type' and 'Political Science' under discipline.
Library Quick Search
Google Scholar is a great tool for finding journal articles and books in political science. Its strengths are search alerts and the interlinking of sources, primarily through 'times cited' and 'related articles' links.