http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Center on Child Abuse and Neglect (U.S.)
Issues prior to 1978 were classed: HE 1.480/3.
Vols. for 19 - developed by Herner and Company.
United States. Dept. of Health, Education, and Welfare.