CIS index to unpublished U.S. senate committee hearings and microfiche collection, 18th congress-88th congress, 1823–1964 : Bethesda, MD: Congressional Information Service, 1986, 5 vols. $1985 (Index), $18,400 (microfiche collection). ISBN (for the set) 0-88692-089-2. LC 86-210230. |