http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xii, 400 pages : illustrations, maps. ; 24 cm.
Edited by Erik Allardt and Stein Rokkan. With a foreword by Seymour M. Lipset.
Papers, part revised and updated, selected from 4 conferences, 1961-61, organized under the auspices of the Committee on Political Sociology.