01120cam a22003011 4500 ss 51000006 DLC 20260227112752.0 790426s1951 xx 000 0 eng c ss 51000006 (OCoLC)4900724 U.S. Social Security Administration. Library OCl OCl DLC premarc HD7123 .A35 no. 71 331.25 Friedson, Abe, 1918- Nineteen employee-benefit plans in the airframe industry, by Abe Friedson and Joseph Zisman. Washington [U.S. Govt. Print. Off.] 1951. iv, 63 p. tables. 26 cm. United States. Social Security Administration. Division of Research and Statistics. Bureau memorandum no. 71 Group insurance United States. Employee fringe benefits. Old age pensions United States. Aircraft industry United States. Zisman, Joseph, 1901- joint author. Employee-benefit plans in the airframe industry. Airframe industry. 90931 90931