ProQuest Social Science Journals
Covers core disciplines across the social sciences including sociology, social work, anthropology, politics and other areas.
JSTOR
Archived articles are from scholarly journals in political science, history, philosophy, mathematics, business, art, literature, language, music, religion, etc.
PsycINFO
Contains citations and summaries of scholarly journal articles, book chapters, books, and dissertations, all in psychology and related disciplines.
Psychology and Behavioral Sciences Collection 
A comprehensive database covering information concerning topics in emotional and behavioral characteristics, psychiatry & psychology, mental processes, anthropology, and observational & experimental methods.
ProQuest Dissertations & Theses: The Humanities and Social Sciences Collection
Dissertations and theses published in the humanities and social sciences from around the world
AEI
American Enterprise Institute for public policy research
Brookings Institution Papers
The Brookings Institution is a nonprofit public policy organization based in Washington, DC.
European Union Gateway
EUROPA is the portal site of the European Union
Human Rights Watch
Institute for Quantitative Social Science
Statistical and analytical tools for the social and health sciences