1. The color primer. From the German edition “Die Farbenfibel” of 1916. New York: Van Nostrand Reinhold; 1969.
2. A grammar of color. From the original version of 1921. New York: Van Nostrand Reinhold; 1969.
3. The art of color. Translated by Ernst van Haagen from German edition “Kunst der Farbe”. New York: Van Nostrand Reinhold; 1961.
4. Colour dynamics: environmental colour design. New York: Ellis Horwood; 1993.
5. Theory of colours. Translated by C. L. Eastlake (1840) from German edition “Farbenlehre” of 1810. Introduction by D. B. Judd. MIT Press; 1970.