1. "GPR at Challuabomba" Translated Title: "GPR en Challuabomba" Creador / Contribuidor: Grieder, Terence (artist / artista) Date Created / Date Issued: 1999-07
2. "Canto II: Mediodía en el campo" Translated Title: "Song II: Midday in the Country" Creador / Contribuidor: Acosta, Agustín, 1886-1979 (author / autor) Date Created / Date Issued: 2016