Hatt, J. Arthur H. <i>The Colorist: Designed to Correct the Commonly Held Theory That Red, Yellow, and Blue Are the Primary Colors, and to Supply the Much Needed Easy Method of Determining Color Harmony : Together with a System of Color Nomenclature and Other Practical Information for Artists and Workers Or Designers In Colors.</i> 3rd ed. New York: D. Van Nostrand Co., 1925.