Allen, J. Fenwick (1906) 'Chemical Classics; Some Founders of the Chemical industry – Henry Deacon, Part 1', London and Manchester: Sherratt & Hughes [2]. Retrieved 8 July 2007.
Allen, J. Fenwick (1906) 'Chemical Classics; Some Founders of the Chemical industry – Henry Deacon, Part 2', London and Manchester: Sherratt & Hughes [3]. Retrieved 8 July 2007.