Romaion/Byzantine

ACC V = Wayne G. Sayles,Ancient Coin Collecting V: The Romaion/Byzantine Culture, Krause, Iola, Wisconsin (1998)
Bates/Kovacs 1996 = Michael L. Bates and Frank L. Kovacs, 'A Hoard of Large Byzantine and Arab-Byzantine Coppers,' Numismatic Chronicle, Volume 156, Royal Numismatic Society, London (1996)
Bates Sardis 1971 = George E. Bates, Byzantine Coins, Archaeological Exploration of Sardis, Harvard University Press, Cambridge (1971)
Berk/England 1989 = Harlan J. Berk and Victor England, Byzantine Copper Coins, Public Auction December 7, 1989, Berk/England, Chicago (1989)
CNG XIX = CNG, Auction XIX, February 19, 1992, Quarryville, PA (1992)
Frendo 1995 = David Frendo, 'The Early Exploits and Final Overthrow of Khusrau II (591-628): Panegyric and Vilification in the Last Byzantine-Iranian Conflict,' Bulletin of the Asia Institute, Volume 9, Asia Institute, Bloomfield Hills, MI (1995)
Frendo 1997 = David Frendo, 'The Religious Factor in Byzantine-Iranian Relations,' Bulletin of the Asia Institute, New Series, Volume 11, Asia Institute, Bloomfield Hills, MI (1997)
Frendo 2000 = David Frendo, 'Byzantine-Iranian Relations Before and After the Death of Khusrau II: A Critical Examination of the Evidence,' Bulletin of the Asia Institute, New Series, Volume 14, Asia Institute, Bloomfield Hills, MI (2000)
Goodwin 1994 = Tony Goodwin, 'A Horad of Imitative Byzantine Folles,' Numismatic Circular, Volume CII, No. 8, October 1994 Spink, London (1994)
Goodwin 2001 = Tony Goodwin, 'Arab-Byzantine Coins - the Significance of Overstrikes,' Numismatic Chronicle, Volume 161, The Royal Numismatic Society, London (2001)
Hahn 1978 = W. R. O. Hahn, 'Alexandrian 3-Nummi and 1-Nummis Types Under Heraclius,' Numismatic Chronicle, Seventh Series, Volume XVIII (Volume 138), Royal Numismatic Society, London (1978)
Harmatta 2001 = Janos Harmatta, 'The Letter Sent By the Turk Kagan to the Emperor Mauricius,' Acta Antiqua Academiae Scientiarum Hungaricae, Tomus XLI Akademiai Kiado, Budapest (2001)
Heidemann 1998 = Stefan Heidemann, 'The Merger of Two Currency Zones in Early Islam. The Byzantine and Sasanian Impact on the Circulation In Former Byzantine Syria and Northern Mesopotamia,' Iran, Volume XXXVI, British Institute of Persian Studies, London (1998)
Hunt 1990 = Sotheby's, 'The William Herbert Hunt Collection - Highly Important Byzantine Coins,' Sotheby's, Sale 6055, New York (December 5, 1990)
Hunt 1991 = Sotheby's, 'The William Herbert Hunt Collection - Important Byzantine Coins,' Sotheby's, Sale 6148, New York (June 21, 1991)
Osprey ES 33 = John Haldon, Byzantium At War AD 600-1453, Osprey Publishing, Essential Histories 33, London (2002)
Osprey MAA 247 = David Nicolle and Angus McBride, Romano-Byzantine Armies, 4th - 9th Centuries, Osprey Military, Men-At-Arms Series #247, London (1992)
Osprey W 9 = Simon MacDowall and Gerry Embleton, Late Roman Infantryman, 236 - 565 AD, Osprey Military, Warrior Series #9, London (1994)
Raspopova 1999 = Valentina Raspopova, 'Gold Coins and Bracteates From Pendjikent,' Coins, Art and Chronology: Essays on the Pre-Islamic History of the Indo-Iranian Borderlands, Osterreichischen Akademie Der Wissenschaften, Wien (1999)
Rynearson 1971 = Paul F. Rynearson, Byzantine Coin Values, Second Edition, Malter-Westerfield Publishing, San Clemente, California (1971)
Sear BC = David R. Sear, Byzantine Coins and their values, Seaby, London (1974)
Whitting 1973 = P. D. Whitting, Byzantine Coins, G. P. Putnam & Sons, New York (1973)
Widemann 1998 = Francois Widemann, 'The Merger of Two Currency Zones in Early Islam: The Byzantine and Sasanian Impact On the Circulation In Former Byzantine Syria and Northern Mesopotamia,' Iran, Vol. XXXVI, British Institute of Persian Studies, London (1998)

Crusaders

CCS = Alex Malloy, Irene Fraley Preston and Arthur Seltman, Coins of the Crusader States, Attic Books, New York (1994)
Metcalf 1983 = D. M. Metcalf, Coinage of the Crusades and the Latin East, London (1983)