Prestige and Progress - A Survey of Industrial North Staffordshire
1955 publication of North Staffordshire Chamber of Commerce - page 76

A guide to some of the leading firms of North Staffordshire, The glazed and Floor Tile Manufacturers' Association, R. Goodwin & Sons (Engineers) Ltd., Harrison & Son (Hanley) Ltd, J. Hewitt & Son (Fenton) Ltd, Johnson Brothers (Hanley) Ltd, John Maddock & Sons Ltd.