http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1-12. Micropaedia : Ready reference -- v. 13-29. Macropaedia : Knowledge in depth -- v. [30] Propaedia : Outline of knowledge : guide to the Britannica -- v. [31] Index, A-K -- v. [32] Index, L-Z
Includes bibliographical references and index