TY  - BOOK
ED  - E.U.A. Federal Security Agency
TI  - Social security yearbook for the calendar 1947. Annual supplement to the Social Security Bulletin
U1  - 368.40573 21
PY  - 1948///
CY  - Estados Unidos
PB  - SSB
KW  - Seguridad social
KW  - Estadística
KW  - Estados Unidos
UR  - https://cdm16760.contentdm.oclc.org/digital/collection/p16760coll5/id/9601
ER  -