Color — Audiobooks
Goethe's Theory of Colours
by Johann Wolfgang von Goethe
A Color Notation
by A. H. (Albert Henry) Munsell
Field's Chromatography
by George Field
Colour as a Means of Art
by Frank Howard
Color Value
by C. R. (Chandler Robbins) Clifford
Light and Colour Theories, and their relation to light and colour standardization
by Joseph W. (Joseph Williams) Lovibond
Colour Measurement and Mixture
by Sir William de Wiveleslie Abney
Aesthetische Farbenlehre
by Conrad Hermann