http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
6 volumes : illustrations (some color) ; 24 cm. + teacher's manual with tests (6 volumes).
[gr. 7] Arrivals -- [gr. 8] Banner -- [gr. 9] Cascade -- [gr. 10] Delta -- [gr. 11] Emblem -- [gr. 12] Findings.
curriculum and writing, Richard J. Smith, Max F. Schulz.