http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xvii, 567 pages : illustrations, maps ; 24 cm
Harry O. Buckman, Nyle C. Brady ; revised by Nyle C. Brady.
Includes bibliographical references and index.
Previous ed.? by T.Lyttleton Lyon and others, 1952