1. Hotei Encyclopedia of Japanese Woodblock Prints;Newland,2005
2. A database of pigments on Japanese ukiyo-e paintings in the Freer Gallery of Art;Fitzhugh,2003
3. The identification and light sensitivity of Japanese woodblock print colorants: the impact on art history and preservation;Connors,2005
4. Dayflower Blue: its appearance and lightfastness in traditional Japanese prints;Sasaki,2005
5. Deterioration of ferric ferrocyanide pigment in ukiyo-e printed in the late Edo period;Kida;J. Japan Inst. Metals,2010