Chalcedony scaraboid in silver ring

Said to be from Cyrpus

Myres, John L. 1914. Handbook of the Cesnola Collection of Antiquities from Cyprus. no. 4199, New York: The Metropolitan Museum of Art.

Richter, Gisela M. A. 1917. Handbook of the Classical Collection. p. 111, fig. 71, New York: The Metropolitan Museum of Art.

Richter, Gisela M. A. 1920. Catalogue of Engraved Gems of the Classical Style. no. 32, pp. 28–29, pls. 8, 11, New York: The Metropolitan Museum of Art.

Richter, Gisela M. A. 1927. Handbook of the Classical Collection. pp. 130–31, fig. 87, New York: The Metropolitan Museum of Art.

Alexander, Christine. 1928. Jewelry: The Art of the Goldsmith in Classical Times as Illustrated in the Museum Collection. p. 51, fig. 108, New York: The Metropolitan Museum of Art.

Richter, Gisela M. A. 1930. Handbook of the Classical Collection. pp. 130–31, fig. 87, New York: The Metropolitan Museum of Art.

Richter, Gisela M. A. 1953. Handbook of the Greek Collection. p. 286, pl. 126a, Cambridge, Mass.: Harvard University Press.

Richter, Gisela M. A. 1956. Catalogue of Engraved Gems of the Classical Style: Greek, Etruscan, and Roman. no. 68, pp. 18–19, pl. 11, Rome: L'Erma di Bretschneider.

Lexicon Iconographicum Mythologiae Classicae (LIMC). 1988. Vol. 4: Eros-Herakles. "Hades," p. 381, no. 78, pl. 214, Zürich: Artemis Verlag.

Lexicon Iconographicum Mythologiae Classicae (LIMC). 1997. Vol. 8: Thespiades-Zodiacus. "Persephone," p. 967, no. 184, Zürich: Artemis Verlag.

Richter, Gisela M. A. 2006[1956]. Catalogue of Engraved Gems of the Classical Style: Greek, Etruscan, and Roman, 2nd edn. no. 68, pp. 18–19, pl. 11, color p. 4, Rome: L'Erma di Bretschneider.

Zwierlein-Diehl, Erika. 2007. Antike Gemmen und ihr Nachleben. p. 358, fig. 132, Berlin: Walter de Gruyter & Co.