Hechos básicos.

Bibliographic Details
Corporate Author:	United States. Social Security Administration
Format:	Government Document Serial
Language:	Spanish
Published:	[Baltimore, Md.] : Social Security Administration.
Series:	SSA publication ; 05-10980.
Subjects:	Social security > United States > Statistics > Periodicals.
Online Access:	https://purl.fdlp.gov/GPO/LPS7865