http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
55 volumes : illustrations, portraits, diagrams
Papers for the 24th Congress issued in two volumes accompanied by an additional volume with title: Festival lecture and discussions at technical sessions. Conference solennelle et discussions aux seances techniques. Festvortrag und Erorterungen von Kongressvortragen.
Festival lecture and discussions at technical sessions