00997cam a22002651 4500 ss 51000008 DLC 20260227112752.0 790823s1951 dcu f000 0 eng c ss 51000008 (OCoLC)5303684 U.S. Social Security Administration. Library ArU OCoLC DLC premarc HD7123 .A35 no. 70 331.25 Zisman, Joseph, 1901- Seventy-three employee-benefit plans in the petroleum refining industry, by Joseph Zisman and Julia Carlson. Washington [U.S. Govt. Print. Off.] 1951. vii, 264 p. 26 cm. United States. Social Security Administration. Division of Research and Statistics. Bureau memorandum no. 70 Group insurance United States. Employee fringe benefits. Petroleum industry and trade United States. Carlson, Julia E., 1902- joint author. 90933 90933