http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
grade-level K-12 expectations, courses of study
Microfiche. White Plains, N.Y. : Kraus International Publications, 1987. 3 microfiches. (Kraus Curriculum Development Library ; SMA K-157).
Kraus Curriculum Development library ; SMA K-157