The Serial Set is a large paper (and microfiche) collection of old Congressional Documents. The Serial Set contains old House and Senate reports and special reports. The Serial Set also contains old House and Senate documents, including Presidential and budget materials and reports of Federal departments and agencies.
For more information about the Serial Set, check these resources:
Many GPO Digitally Signed PDFs. A digital signature, viewed through the GPO Seal of Authenticity, verifies document integrity and authenticity on GPO online Federal documents.