· A lengthy illustrated article written with knowledge, although some of the conclusions arrived at by the author cannot be admitted. French art. London, 1892. · The collected articles first published in _Scribner’s_, but without the illustrations. GUSTAVE CAHEN: Eugène Boudin, sa vie et son œuvre (Preface by Arsène Alexandre). H. Floury, Paris, 1900. · Fully illustrated, with dry point by Paul Helleu. It contains special references to the early days of Impressionism. Préface du catalogue des Tableaux Modernes. Collection de Monsieur L. B. Chevallier et Bernheim jeune, Paris. · Numerous photogravures of Impressionist works, particularly of those by Boudin. M. CHEVREUL: The principles of harmony and contrast of colours, and their application to the arts. Tr. C. Martel. Longmans, London, 1854. · This book, the standard work upon the subject, should be in the hands of every person who desires to study Impressionism thoroughly. This is the best English translation. A. H. CHURCH: The Laws of Contrast of Colour. Tr. J. Spanton. London, 1858. Colour, an Elementary Manual for Students. Cassells, London, 1901. Chemistry of Paints and Painting. London, 1890. · These excellent books deal with all the problems of light and colour. G. CLÉMENCEAU: Exposition des Cathédrales de Rouen. _La Justice_, May 20, 1895. · An important article by a writer of ability. E. DELACROIX: Mon Journal, 1823-63 (notes par Flat et Riot). Paris, 1893. Three volumes. DENOINVILLE: Sensations d’art. Girard, Paris. · A collection of short essays dealing with such subjects as Corot, Eugène Carrière, the Simplists, l’Art nouveau, &c. WYNFORD DEWHURST: Claude Monet, Impressionist; _Pall Mall Magazine_, London, June 1900. A great French Landscapist. _Artist_, London, October 1900. · These articles are notable for their reproductions of Monet’s works. Impressionist Painting; its Genesis and Development. _Studio_, London, June and September, 1903. DURANTY: La nouvelle peinture. Paris, 1876.