| PublishedWorks | (with Walter Friedlaender), The Drawings of Nicolas Poussin, 1939-75; Artistic Theory in Italy, 1940; François Mansart, 1941; French Drawings at Windsor Castle, 1945; (with Margaret Whinney) The Nation's Pictures, 1951; Rouault's Miserere, 1951; Poussin's Golden Calf, 1951; Art and Architecture in France, 1500-1700, 1953, rev. edn 1981; The Drawings of G. B. Castiglione and Stefano della Bella at Windsor Castle, 1954; Venetian Drawings at Windsor Castle, 1957; Philibert de l'Orme, 1958; The Art of William Blake, 1960; (with H. L. Cooke) The Roman Drawings at Windsor Castle, 1960; (with Phoebe Pool) Picasso: The Formative Years, 1962; Nicolas Poussin: Catalogue raisonné, 1966; Nicolas Poussin (2 vols), 1967; Sicilian Baroque, 1968; Picasso's Guernica, 1969; Supplement to Italian and French Drawings at Windsor, 1971; Neapolitan Baroque and Rococo Architecture, 1975; (with A. Laing et al) Baroque and Rococo Architecture and Decoration, 1978; Borromini, 1979; The Drawings of Nicolas Poussin, 1979; articles in Burlington Magazine, Jl of Warburg and Courtauld Insts, Spectator, etc |