eng_Latn: the libretto was written by francesco maria piave based on a spanish drama, don álvaro o la fuerza del sino 1835, by ángel de saavedra, 3rd duke of rivas, with a scene adapted from friedrich schiller's wallensteins lager wallenstein's camp.
war_Latn: an libretto ginsurat ni francesco maria piave nga ginbatikan hin espanyol nga drama, don alvaro o la fuerza de sino 1835, ni ángel de saavedra, duque de rivas, upod hin eksena nga ginkuhan ngan ginliwat tikang han kan friedrich schiller wallensteins lager.