368.40973 / E582as.21
E.U.A. Federal Security Agency Social Security Administration
Old-Age and survivors insurance analysis of longrange cost factors / Louis O. Shudde, George E. Immerwahr. -- Washington: SSA. Office of the Actuary, 1946. 148 p. : il., gráficas; 26 cm. (Actuarial study 21)
I Introductory. II The old age and survivors insuerce system. III Population. IV Other demographic factors. V Employment and umployment. VI Other cost factors.
Jubilaciones y pensiones--Estados Unidos
Shudde, Louis O.,
Immerwahr, George E.,
Williamson, W. R., pról