Low-income Families: Hearings Before the Subcommittee on Low-Income Families of the Joint Committee on the Economic Report, Congress of the United States, Eighty-First Congress, First Session, Pursuant to Sec. 5(A) of Public Law 304 (79th Congress), December 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 1949