http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A few beginnings -- Der Ring des Nibelungen -- The elusiveness of tragedy -- Tristan und Isolde -- Mature polemics -- Operatic futures.
"An Ahmanson Foundation book in the humanities."
Includes bibliographical references (pages 243-282) and index.