Grierson, Philip. Byzantine Coins in the Dumbarton Oaks and Whittemore Collections. Volume II. Phocas to Theodosius III, 602-717. (Washington, D.C., 1968). 2 parts, 728 pages, 46 plates. Matching original green buckram. The standards reference. Shelf wear around edges, a Near Fine copy.
From the library of an American dealer.