MONOGRAMS -- Oscar Edmond RIS-PAQUOT. Dictionnarie Encyclopédique des Marques et Monogrammes, Paris: Librairie Renouard, 2 volumes, 4°, contemporary cloth-backed boards -- H. H. CAPLAN. The Classified Directory of Artists' Signatures Symbols & Monograms, London: George Prior, 1982, 4°, original cloth; and 4 other works. (7)