http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
6 volumes : illustrations ; 25 cm. + teacher's ed (6 volumesin 12)
[gr. 7] First course -- [gr. 8] Second course -- [gr. 9] Third course -- [gr. 10] Fourth course -- [gr. 11] Fifth course -- [gr. 12] Complete course.
Teacher's edition issued in 2 pts. Pt. 1: teacher's edition ; Pt. 2: teacher's resource book, also contains teacher's manual.