Byzantine Coins in Dumbarton Oaks Vol 4.
Catalogue of Byzantine Coins in the Dumbarton Oaks Collection and in the Whittemore Collection. Volume 4. Alexius I to Michael VIII, 1081-1261. Two Volumes. 1999. 736 pages, 54 plates. Casebound. This volume is in two parts. Part I covers the reigns of Alexius I to Alexius V (1081-1204), and Part II covers the emperors of Nicea and their contemporaries (1204-1261).