 While on his way to the general chapter of 1279, he was attacked with a grievous illness and died at Bologna in 1279.The writings of Conrad of Saxony include several sermons and the "Speculum Beatæ Mariæ Virginis"; the latter, at times erroneously attributed to St. Bonaventure, was edited by the Friars Minor at Quaracchi in 1904.The preface to this excellent edition of the "Speculum" contains a brief sketch of the life of Conrad of Saxony and a critical estimate of his other writings.