No longer distributed to depository libraries in paper after <2001>.
"ICN 467510"--P. [8].
Some issues also available via Internet from the SSA web site. Address as of 1/14/04: http://www.ssa.gov/pubs/10072.html; current access available via PURL.
Issued also in Spanish: Seguro social, cómo usted gana créditos.