The University of North Texas Library hosts an award-winning site where many CRS reports are browsable by topic and searchable by full text. This is the best starting point.

Congressional Research Service reports are the best way for anyone to quickly get up to speed on major political issues without having to worry about spin — from the same source Congress uses. EveryCRSReport.com includes 8,489 CRS reports. It’s every CRS report that’s available on Congress’s internal website.

Formerly OpenCongress, GovTrack is for researching and tracking legislation before the U.S. Congress..

Published by the Society for Social Work and Research, this open access journal focuses on "research that advances knowledge of social problems, programs, and policies. Special emphasis is placed on publishing findings from studies of the effectiveness of social and health services, including public policies and practices. JSSWR publishes rigorous empirical research that advances knowledge useful for designing social programs, developing innovative public policies, and improving social work practice."

This directory lists more than 2,000 academic repositories worldwide. You can search for freely-available scholarly articles, data, and dissertations across repositories or browse the holdings of individual institutions.