Congressional Information Service (CIS)This microfiche set, frequently called CIS, reproduces all hearings, reports, documents, committee prints, and debates from 1970 to the present with companion index and abstract volumes issued to aid in locating materials. Contained in each "abstract" volume is a list of all hearings and reports issued for each law enacted during that year. Also listed are dates of House and Senate debates for use in the Congressional Record and references to the Weekly Compilation of Presidential Documents.