Nesbitt, J. et al., eds. Catalogue of Byzantine Seals at Dumbarton Oaks and the Fogg Museum of Art. 7 Vols. (Washington, DC. 1991-2005).
Volumes 1-6 available online.
Volume 1
Volume 2
Volume 3
Volume 4
Volume 5
Volume 6
Search the Dumbarton Oaks Byzantine Seals - available online.