Most important is his Poema Harmonico. Further infos in the edition (reprint, transcr.) from Thomas Schmitt (Editorial Alpuerto, 2000) or Brian Jeffery (reprint, Tecla 1977) or e.g. in Frank Koonce (The Baroque Guitar in Spain and the New World, Mel Bay 2006) or John W. Duarte (Francisco Guerau, Five Pieces, UE 29161 A; in English, German, French).