Prou, Maurice. Catalogue des Monnaies Françaises de la Bibliothèque Nationale. Les Monnaies Carolingiennes. (Graz, 1969 reprint of Paris, 1892 original). 180 pages, 23 plates. Green cloth with dust cover. At one time a standard reference based on the Bibliothéque Nationale collection, now a bit outdated but still useful. A Nice Fine copy.
From the Dr. Lawrence A. Adams library.