See [Bodleian exhibition catalogue,] Duke Humfrey and English Humanism (Oxford, 1970), no. 48 (where the scribe is identified as that of Bodleian Library, MS. Selden supra 22 etc), and O. Pächt & J. J. G. Alexander,Illuminated Manuscripts in the Bodleian Library Oxford (3 vols), iii (Oxford, 1973), no. 1016.