There is a separate Index database that goes back to 1983. Congressional Reports thru GPO Access. Reports of Congressional Committees from 1995 to the present. Not all items are fully searchable. They cover all subject areas and are excellent overviews.
Listings are by title, number and subject.
In the future we hope all of these reports, which have never been in the Depository Library Program, will be available online. Extensive compilation of databases maintained by librarian Gary Price. FBI FOIA Reading Room. This page has links to FBI reports requested under the Freedom of Information Act that have been in the news or are frequently requested. A collection of links to agency actions outside the scope of the Code of Federal Regulations and the Federal Register.