http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
first part : the Rhinegold = Das Rheingold
music by Richard Wagner ; English translation by Frederick Jameson ; complete vocal score in a facilitated arrangement by Karl Klindworth.
From the Howard Mayer Brown, Edward Downes and Mary Schieffelin Book Collections, October 2004.
Ring des Nibelungen. Vocal score. English
Ring des Nibelungen. Vocal score. German