Six inch low relief tiles designed by Lewis F Day for Pilkington's Tile & Pottery Co.
- Hansen, Joan Maria. Lewis Foreman Day - Unity in Design and Industry Antique Collector's Club - 2007
- Corbett, Barry and Angela. Tile Designs of Lewis Foreman Day for Pilkington's Tile & Pottery Co. - Journal of the Tiles & Architectural Ceramics Society - Vol. 15 - 2009