Congressional Masterfile 1 also gives users the flexibility to search other CIS retrospective congressional indexes simultaneously. The complete CIS US Serial Set on Microfiche contains nearly 116,000 microfiche, with an average of 27,600 publications on 9,650 microfiche in each part. Parts I through XII of the CIS US Serial Set Index provide access by subject, name, and serial number to the texts of the documents on microfiche. Part XIII provides access by reported bill number. CIS filmed the full texts of source documents on archival-quality silver halide microfiche.
Material is organized by serial number.
Availability CIS offers the microfiche file in 12 parts corresponding to Parts I through XII of the index. The parts may be purchased individually or as a complete collection. Individual Congresses may also be ordered.