http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1. Writing / Meredith Pike-Baky. -- v. 2. Writing / Meredith Pike-Baky, Laurie Blass. -- v. 3. Writing / Marie Hutchison Weidauer. -- v. 4. Writing / M. E. Sokolik