Congressional Information Service. CIS/Annual. Washington DC: Congressional Information Service. 1970-.
Since 1970, the material previously covered in the CIS Serial Set Index, CIS Congressional Committee Hearings Index, and CIS Congressional Committee Prints Index has been combined into one set, CIS/Annual. Similar to the older CIS indexes, there is a cumulative index which refers to abstracts in an annual volume. Abstract numbers begin with H (House), S (Senate), or J (Joint). The same material is accessible online via the subject index in ProQuest Congressional.