MARSHALL, F. H., Catalogue of the Finger Rings in the British Museum: Greek, Etruscan, and Roman, London, 1907; Dalton, O. M., Catalogue of the Finger Rings in the British Museum: Early Christian, Mediaeval and Later, Franks Bequest, London, 1912; and Dalton, O. M., Catalogue of the Engraved Gems in the British Museum: Post-Classical Periods, London, 1915 (3)

細節

MARSHALL, F. H., Catalogue of the Finger Rings in the British Museum: Greek, Etruscan, and Roman, London, 1907; Dalton, O. M., Catalogue of the Finger Rings in the British Museum: Early Christian, Mediaeval and Later, Franks Bequest, London, 1912; and Dalton, O. M., Catalogue of the Engraved Gems in the British Museum: Post-Classical Periods, London, 1915 (3)