http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
8 volumes : illustrations (some color) ; 28 cm. + Teacher's edition (8 volumes : illustrations ; 28 cm.)
v. 1. Book R -- v. 2. Book A -- v. 3. Book B -- v. 4. Book C -- v. 5. Book D -- v. 6. Book E -- v. 7. Book F -- v. 8. Book G.
Teacher's edition, volume 2 published by : Chicago, Ill. : Rand McNally.