The New Idea in Tableware
Waring & Gillow (1932) Ltd, Oxford Street, London
PG 5.34 p604:
Eight potters were exhibiting: Wedgwood, Spode-Copeland, Doulton, Crown Ducal, Poole, Clarice Cliff, Susie Cooper, AE Gray. (Note that it is not possible to determine the designs on display from the quality and size of the illustrations shown for the article).