Literature: L Wrigglesworth
Literature: L Wrigglesworth, A Mark of Excellence, G Dickinson & L Wrigglesworth, Imperial Wardrobe, J Chatterton, Chinese Silks and Sewing Tools, V Garrett, Mandarin Squares, J Vollmer, In the Presence of the Dragon Throne, L Wrigglesworth, "Making the Grade" The Badge of Rank III and C Williams, Outlines of Chinese Symbolism & Art Motives. (7)