↑ Google books Medieval Italy, an Encyclopedia, p. 566, Christopher Kleinhenz ed. Routledge, 2004, ISBN 0415939305, 9780415939300
Alexander Kazhdan (editor), The Oxford Dictionary of Byzantium, 3 vols., Oxford University Press, 1991 (ISBN 0195046528), s. v. "Diptych", vol. 1, 636-637.
Bente Kiilerich, Late Fourth Century Classicism in the plastic Arts : studies in the so-called Theodosian Renaissance, Odense University Classical Studies 18, Odense University Press, 1993.
(ฝรั่งเศส) Danièle Gaborit-Chopin, "Les ivoires du Ve au VIIIe siècle" in J. Durant (éd.), Byzance, l'art byzantin dans les collections publiques françaises (catalogue of an exhibition at the Louvre, 3 November 1992-1 February 1993), Paris, 1993, 42-45.
(เยอรมัน) Richard Delbrück, Die Consulardiptychen : und verwandte Denkmäler, Berlin, 1929.
