J. W Nesbitt (2009)
Catalogue of Byzantine Seals at Dumbarton Oaks and in the Fogg Museum of Art, Volume 6: Emperors, Patriarchs of Constantinople, Addenda
Dumbarton Oaks, Washington, D.C.
Bibliography, Byzantine seals
J. W Nesbitt (2009)
Dumbarton Oaks, Washington, D.C.