Wagner, Richard <br/><br/>
Guía de La valquiria de Richard Wagner 
Carlos Vélez Guevara. 
 - 1a ed. 
 - San Juan, P.R.  CVG  1991. 
 - 159 p.  22 cm. 
<br/><br/> Libretto by the composer.  German and Spanish words.  Cover title: El anillo del Nibelungo.  Line-by-line translation by Carlos Vélez Guevara.  Includes dramatic and musical analysis by the translator. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Wagner, Richard 1813-1883. --Walküre. Ring des Nibelungen. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operas--Librettos.