368.40973 / E582sf 1963
E.U.A. Department of Health, Education and Welfare Social Security Administration
Social security farm statistics,1955-1963. Farmers and farm workers under Old-age, survivors, disability, and health insurance . -- Washington: SSA. Office of Research and Statistics, 1966. 34 p. : il.; 26 cm.
Highlights. Farm workers and their employeres. Self-employed farmers - Tables.
Seguridad social--Estados Unidos--Estadística
Seguro agrícola--Estados Unidos