http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A motivating three-level course with a clear, coherent structure and built-in flexibility. Lifelines combines thorough language presentation and practice with human-interest topics and texts. It provides core material of 70-100 hours per level
English language; English language; Listening