The Congressional Research Service (a division of the Library of Congress) provides high-quality research and analysis for committees and members of Congress. These reports, studies, and issue briefs are succinct and well-researched and many are regularly updated. About CRS.
For decades, CRS did not provide direct online public access to its reports or distribute reports to libraries. But in 2018, Congress passed a law directing the creation of a public site and ending the legal requirement prohibiting CRS from providing its products to the public.
Some organizations and institutions have made thousands of reports freely available, and some UW-restricted commercial databases have extensive collections of reports.