http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"Education Source Ultimate is the world's largest and most comprehensive full-text research database designed for education students, researchers, professionals and policymakers. Coverage of education studies spans all levels of education and includes educational specialties ranging from educational assessment and education ethics to educational technology, literacy, research methodology and more" --