One of our most robust multidisciplinary databases, ProQuest Complete is a great starting point for most topics. This database includes access to the Social Sciences Premium Collection, Arts and Humanities Database, PAIS International, and more.
Another great multidisciplinary database, try Academic Search Elite for your topic whether it be in the field of history, international relations, sociology, political science, public policy, or something else.
The "Public Affairs Information Service" (PAIS) Index provides coverage in a wide array of areas including economics, education, government, human rights, international relations, politics, social conditions, and civil rights.
The Arts and Humanities Citation Index (coupled via this link with the Social Sciences Citation Index) provides access to a large assortment of abstracts for articles published in major scholarly publications. Use keywords to search and resort your results by "Relevance" or "Times Cited" to find the most notable works on your topic.