http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
prepared by Social Studies Department,, Shippensburg Area School District.
Microfiche. Millwood, N.Y. : Kraus International Publications, 1990. 1 microfiche. (Kraus curriculum development library ; SOC 9-108).
Kraus Curriculum Development library ; SOC 9-108