Chemistry of Colour - M. Satake, Y. Mido - Google Books

https://books.google.de/books?id=FA4hOk5KJBgC

Colour has fascinated man ever since he was able to see a coloured object. When Perkin manufactured the fast synthetic dye in 1857, little was known of the chemistry of dyes and about dependence of colour on structure. The principles concerning this…