http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Educational Research Information Center (U.S.)
Educational Resources Information Center (U.S.)
Issues for Nov. 1966-Dec. 1967 have no vol. numbering but constitute v. 1-2.
Vols. for Nov. 1966-July 1967 issued by the Educational Research Information Center; for Aug. 1967-Dec. 1974 by the Educational Resources Information Center.