Oikonomides N. [editor], Catalogue of the Byzantine Seals at Dumbarton Oaks and in the Fogg Museum of Art. Vols. 1-3. Washington D.C, 1991-1996. Volume 1. Italy, North of the Balkans, North of the Black Sea. xx, 253 pages. Volume 2. South of the Balkans, the Islands, South of Asia Minor. xiii, 233 pages. Volume 3. West, Northwest, and Central Asia Minor and the Orient. xii, 240 pages. All illustrated throughout, bound in gray cloth. Covers stained, clear internally