A Color Notation A measured color system, based on the three qualities Hue, Value and Chroma

Aesthetische Farbenlehre

Color Value

Color problems

Colour Measurement and Mixture

Colour as a Means of Art Being an Adaption of the Experience of Professors to the Practice of Amateurs

Field's Chromatography or Treatise on Colours and Pigments as Used by Artists

Goethe's Theory of Colours

Light and Colour Theories, and their relation to light and colour standardization

The laws of contrast of colour