01063cam a22002651 4500 ss 48000013 DLC 20260227112751.0 881219s1948 dcu f000 0 eng c ss 48000013 (OCoLC)18921496 U.S. Social Security Administration. Library ICCNA ICCNA DLC premarc HD7106.U5 A36 no. 25 Van Eenam, Weltha McLachlan, 1892- Analysis of recent group annuities supplementing retirement benefits under old-age and survivors insurance. [Washington] Federal Security Agency, Social Security Administration, Office of the Actuary, 1948. iv, 56 p. 27 cm. [U.S.] Social Security Administration. Office of the Actuary. Actuarial study, no. 25 Cover title. Annuities. Group insurance. Old age pensions United States. Actuarial study (United States. Social Security Administration. Office of the Actuary) ; no. 25. 90910 90910