http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
List of workers in subjects pertaining to agriculture, home economics, and marketing
Part 1. U.S. Department of Agriculture; Part 2. State agricultural colleges and experiment stations
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.