Nicolas Oikonomides

Crete c. 825-949”, Graeco-Arabica (7-8): 347-362  Nesbitt, John W.; Oikonomides, Nicolas, eds. (1994), Catalogue of Byzantine Seals at Dumbarton Oaks and

York: Oxford University Press. ISBN 0-19-504652-8。 Nesbitt, John W.; Oikonomides, Nicolas, eds (1991). Catalogue of Byzantine Seals at Dumbarton Oaks and in