El Escorial, Real Biblioteca E. II. 1 El Escorial, Real Biblioteca E. II. 1s. x–xi, England?, belonged to Ælfgyth, then the Abbey of Horton (Dorset) in s. xiBoethius De consolatione philosophiaeFelix nimium prior aetas (II:5)Bella bis quinis (IV:7)ESC E. II. 1 fol. 38rESC E. II. 1 fols. 100r-101r