000 00598nam a2200193Ia 4500
008 140128s9999 xx 000 0 und d
040 _besp Biblioteca CIESS
041 _aing
082 _a371.17973 .E582d.41. .
100 _aE.U.A. Board of Trustees of the Federal Old-Age and Survivo-
245 _aLetter... transmitting pursuant to law the ninth annual report...
260 _aWashington
260 _bGovernment Printing Office
260 _c1949
300 _a34 p., 23 cm.
500 _a006993
650 _aJubilaciones y pensiones - EUA
650 _aSeguridad social - E.U.A.
999 _c4489
_d4489