British Library MS. Add. 16429-16432. Vellum and paper. 15th century. Translations into Catalan dialect of Latin treatises of Ramon Lull, entitled Ars ad faciendum et Solvendum questiones et inquirendum secreta naturalia et rerum proprietates; Ars Inventiva; Philosophia Amoris; De Homine; De Consolatione eremetica, etc.