http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Concepts and methods used in labor force statistics derived from the current population survey
Issued jointly by Bureau of Labor Statistics, Dept. of Labor.
Supersedes BLS report 313 and Current population reports, Series 23, June 1967.
Report (United States. Bureau of Labor Statistics) ; 463