ForrerForrer, L. Biographical Dictionary of Medallists, Coin, Gem and Seal Engravers 500 BC-AD 1900. (London, 1902-1930). 8 Vols. For this author's catalog of Sir Hermann Weber's Greek coin collection, see Weber. | ForrerForrer, R. Keltische Numismatik: Der Rhein Und Donaulande. (Graz, 1968- 1969). Celtic numismatics: the Rhine and Danube area. 2 volumes. |