Stevenson, Robert. <br/><br/>
The music of Perú : aboriginal and viceroyal epochs /   Libro 
Robert Stevenson. 
 - Washington, D.C. :  Pan American Union, General secretariat of the organization of America States,  1960. 
 - xii, 331 p. ;  19 cm. 
<br/><br/> Catalogación preliminar.