000 00626nam a2200193Ia 4500
008 140128s9999 xx 000 0 und d
040 _besp Biblioteca CIESS
041 _aing
082 _a371.17973 .E582his .1994 .
100 _aE.U.A. Department of Health and Human Services
245 _aHistory of the provisions of old-age, survivors, and disability, and health in-
260 _aE.U.A.
260 _bSocial Security Administration. Of-
260 _c1994
300 _a31 p., 28 cm.
500 _a034239
650 _aJubilaciones y pensiones - EUA
650 _aJubilaciones y pensiones - Finanzas - E.U.A.
999 _c20064
_d20064