Epiphanius van Salamis, De Mensuris et Ponderibus 53. Zie ook: M.F. Hendy, Studies in the Byzantine Monetary Economy c.300–1450, Cambridge, 1985, p. 339.
Codex Theodosianus IX 21 § 6. Zie ook: M.F. Hendy, Studies in the Byzantine Monetary Economy c.300–1450, Cambridge, 1985, pp. 293-294, 320, 470.