HUMPHREYS, Henry Noel (1807-79). The Illuminated Books of the Middle Ages. An Account of the Development and Progress of the Art of Illumination, as a Distinct Branch of Pictorial Ornamentation, from the IVth to the XVIIth Centuries ... Illustrated by Owen Jones. London: Longman, Brown, Green, and Longmans, 1849. 2°, additional chromolithographed title, 39 mounted chromolithographed plates and one uncoloured plate (plates 8, 19 & 20 lack accompanying text, spotting to most pages, chipping and marginal repairs to the borders of most plates). Contemporary calf stamped in blind (worn, separation at upper hinge, modern endpapers). Provenance: Durham County Library (labels and barcode on front endpapers, small ink stamp on verso of printed title).