Gagliardo, Domenico, 1895- American social insurance / Domenico Gagliardo, - Rev. ed. - New York : Harper , c1955 - xxiii, 671 p. : illus. ; 22cm. Includes Biblography: p. 647-659 and index. Subjects--Topical Terms: Social security--United States. Dewey Class. No.: 368.40973 / GAA 1955