http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xiii, 102 pages : illustrations ; 24 cm.
by R. Ray Battin [and others] ; with a foreword by W. Leonard Draper.
First-2d edition by R. R. Battin and C. O. Haug.