Thesis: Sykas, Philip Anthony. 10//2000 Material Evidence: Nineteenth Century Calico Printers' Pattern Books. 275-343 Ph.D. The Manchester Metropolitan University Department of Textiles/Fashion
• Information on roller and cylinder printing, pp. 276-312Book: Maitra, K. K. 2007 Encyclopaedic Dictionary of Clothing and Textiles.
• Information on challis, p. 72