[92] Sancti Isidori Hispalensis Episcopi, “Opera Omnis,” vol. iv, col. 702, Etymologiæ, lib. xix, cap. 33, vol. lxxxii of Migne’s Patrologia Latina, Paris, 1850.
[93] “Historia Naturalis,” lib. xxxiii, cap. 6.
[94] Duffield Osborne, “Engraved Gems,” New York, 1912, p. 107.
[95] Plinii, “Naturalis Historia,” lib. xxxvii, cap. 11.
[96] Martialis, “Epigrammata,” xi, 59.
[97] Martial, Bk. XIV, No. cxxiii; from “Martial translated into English prose,” London, George Bell & Sons, 1897.
[98] Hardy, “Rotuli litterarum patentium in tursi Londinensi asseverati,” London, 1835, vol. i, pt. i, p. 55.
[99] Rymer, “Fœdera,” London, 1727, vol. i, pp. 878, 879.
[100] Op. cit., vol. ii, pp. 249, 250, No. 760, illustration.
[101] Schaumi, “De annulis,” Francofurti, 1620, cap. ix.