Lavin, Irving, “Bernini's Portraits of No-Body," in Augusto Gentili, et al., eds. Il ritratto e la memoria. Materiali 3, Rome, 1993, 161-94. Revised and expanded version in Lavin, Past-Present, 1993, 100-36. Italian translation in Lavin, Passato e presente, 1994, 193-232. Revised and reprinted in Lavin, Visible Spirit, II, London, 2009, 681-747.