Problems with the 1980 Census Count: Joint Hearing Before the Commerce, Consumer, and Monetary Affairs Subcommittee of the Committee on Government Operations and the Census and Population Subcommittee of the Committee on Post Office and Civil Service, House of Representatives, Ninety-sixth Congress, Second Session, July 31, 1980
United States. Congress. House. Committee on Government Operations. Commerce, Consumer, and Monetary Affairs Subcommittee