In 1933, three of his portraits from his one-man show at the Leger Galleries, Bond Street, London, were reproduced in The Sphere. They were, There it Goes, Ann Todd in The Water Gypsies and The Sketcher on the Cliff. The newspaper captioned them as follows: "Three of the outstanding canvases at this distinguished artist's one-man show at the Leger Galleries, Old Bond Street, an exhibition in which his great talent is seen at its versatile best. All these 1932 pictures show a remarkable sense of action and atmosphere".The Sphere, 7 January 1933. For The Sphere newspaper in 1935, Cooper produced a painting of a stretch of the Thames: The King's Capital, from Westiminster to St Paul's. The picture's caption demonstrates the amount of detail typically included by Cooper, and it also captures a 1930s glimpse of London, where the urban landscape is constantly changing. "This reach of the Thames is one of the finest prospects in London, and one that, owing to extensive building development, has changed considerably during the post-war years. No artist is better qualified to convey such a scene to canvas than Mr A. Egerton Cooper, and this reproduction from a recently-completed painting by him does full justice to a subject which demands the exercise of skill of a very high order. Mr Cooper established his easel at the top of the tower of the new building of Messrs. W. H. Smith and Son on the Albert Embankment, and every afternoon for nine days climbed to the summit with his painting paraphernalia up four almost perpendicular iron ladders. Fortunately he enlisted the sympathy of the resident engineer, and the canvas itself was hauled up by a rope; otherwise the artist might never have been able to accomplish his task. Mr Cooper was also fortunate with regard to the weather which, for March, was unusually fine and clear. Even so, the horizon played hide and seek in remarkable fashion, and St Paul's, which, because of the bend in the river, appears to have moved over to the Surrey side, was visible only twice during the whole time he was at work. "On the left of the new Lambeth Bridge can be seen a section of the imposing block of office buildings that has done so much to improve the Millbank district, and on the right of the bridge is Lambeth Palace, for 600 years the residence of the