1992.
"Books about the Coins of Medieval Europe." Missouri Journal of Numismatics 17: 16–20.
1993.
"An Unlisted 1745/3 ‘LIMA’ Halfcrown." Spink Numismatic Circular CI(5): 156–57.
1993.
"Discovery of the 1745/3 ‘LIMA’ Halfcrown." Missouri Journal of Numismatics 18: 3–5.
1994.
"An Astronomical Interpretation of the Cross and Three Pellets on Medieval
Coins." Missouri Journal of
Numismatics 19: 24–27.
1995.
"The Solar Crusade." Missouri
Journal of Numismatics 20: 3–5.
1995.
Symbolic Messengers of Medieval Man. St.
Louis, MO: Faintich.
2004.
“Symbolic Messengers on Ancient Coins.” Canadian Coin News Collector’s Guide
2004: 54–59.
2005.
"A New Type of Stephen Penny from the York Group." Spink Numismatic Circular CXIII(1): 15.
2005.
"A Few Unusual Coins of the Anarchy (1138–1153)." Spink Numismatic Circular CXIII(5):
305–06.
2008. Astronomical Symbols on Ancient and Medieval Coins. McFarland; Jefferson, North Carolina.