Monthly measure of social security earnings : hearing before the Subcommittee on Social Security of the Committee on Ways and Means, House of Representatives, Ninety-sixth Congress, first session ... July 23, 1979.
United States.Congress.House.Committee on Ways and Means.Subcommittee on Social Security.
Washington : U.S. Govt. Print. Off.,
1979.
"Serial 96-44."
Social security taxes