A critical account of the drawings by Michel Angelo and Raffaello in the University Galleries, Oxford (1870)
Robinson, J. C · Oxford : Clarendon Press · leaf 332
(pi. 468). Passavant (Catalogue, No. 525) classes it amongst the genuine drawings of RafFaello, and before him, Mariette and other eminent connoisseurs of the last century, seem to have accepted it as authentic. It is impossible, however, not to I perceive that it is entirely different in style…