ANCIENT COINAGES: ROMAN EMPIRE: SPECIALIZED REFERENCES
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Carson, R. A. G., Hill, P. V. and Kent, J. P. C. LATE ROMAN BRONZE COINAGE AD 324-398. Reprint. London: Spink & Son, 1978.
Hill, Philip V. THE DATING AND ARRANGEMENT OF THE UNDATED COINS OF ROME AD 98-148. London: Spink & Son, 1970.
Seaby, H. A.; Sear, David R.; et al. ROMAN SILVER COINS. Rev. eds. London: Seaby, 5 volumes, 1979-1987.
Sutherland, C. H. V. COINAGE IN ROMAN IMPERIAL POLICY 31 BC - AD 68. Reprint. New York: Barnes & Noble, 1978.
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