ARCHITECTURE. Pevsner Architectural Guides. Middlesex: Penguin Books, 1951-1974. 46 vols. First series, first editions, 8vo (182 x 114mm.) Photographic illustrations. (Toning, occasional bookplate, or name inscribed, minor spotting.) Original cream or black cloth (36), and original card covers (10), dust-jackets (minor chipping, loss to spine panel of ‘Yorkshire and North Riding’). – And a further forty-seven volumes of the Pevsner Architectural Guides (being the Second Series ‘Buildings of Scotland’, 15 vols. [complete], first editions, 1978-2016, and the Third Series ‘Buildings of Wales’, 7 vols. [of 7], first editions, 1979-2009, and the Fourth Series ‘Buildings of Ireland’, 6 vols. [of 6, unfinished], first editions, 1979-2020, and the Revised Buildings of England series, 10 vols., 1983-2006, five duplicate volumes, and a further nine related volumes. Note: the first few volumes were published in paperback, the first hardback was ‘Middlesex’ (1952) while ‘Derbyshire’ (1953) was the first to appear simultaneously in both forms (98).