British Water-Colour Art 1804-1904 as illustrated by drawings presented to King Edward VII by the Royal Society of Painters in Water-Colours, by Marcus B. Huish, LL.B (Late Editor of the Art Journal)

Chimes from a Wooden Bell, A Memoir, Taqui Altounyan, Published 1990, I.B. Tauris & Co. Ltd

The Liverpool School of Painters, H.C. Marillier, Published 1904, John Murray, Albermarle Street, London (Author of Dante G Rossetti, A Memorial)

The Magazine of Art Illustrated, 1898, Cassell and Company Limited, pg 80-83, pg 503-505

Wikipedia, William Collingwood Smith

Wikipedia, William Gershom Collingwood