Lavin, Irving, “On the Pedestal of Bernini's Bust of the Savior," The Art Bulletin, LX, 1978, 548-9. Italian translation in Bruno Contardi, ed., Le immagini del SS.mo Salvatore. Fabbriche e sculture per l'Ospizio Apostolico dei Poveri Invalidi, exhib. cat., Rome, 1988, 265f. Italian translation in Lavin, Bernini e il salvatore, 1998, 63-4. Revised and reprinted in Lavin, Visible Spirit, I, London, 2007, 393-6.