Roberto Viola (Viola, Roberto)

Spanish

• 
  La Cuerda
  by Roberto Viola
  Hardcover, Ediciones El Galeon, ISBN 9974553423 (9974-553-42-3)
• 
  El Octavo Sueno
  by Roberto Viola
  Softcover, Imaginador, ISBN 9507682961 (950-768-296-1)

English

• 
  The House on the Dunes
  by Roberto Viola, Yolanda Demola
  Softcover, Paulist Pr, ISBN 0809134195 (0-8091-3419-5)