CLASP Handlist Book: Watson, Andrew G., 'Thomas Allen of Oxford and his Manuscripts', in Medieval Scribes, Manuscripts and Libraries: Essays presented to N.R. Ker , ed. by Michael B. Parkes and Andrew G. Watson (London: Scolar, 1978), pp. 279-314 (pp. 299, 311). Manuscript references in: London, British Library, Cotton Titus D. xxiv