Editore: Pacific College of Chromatics, Interior Decorating and the Arts, Portland, Oregon, 1929
Da: Mullen Books, ABAA, Marietta, PA, U.S.A.
Softcover. 14 volumes, separately bound in multiple color wraps with black lettering, paged continuously from page 17 in Chapter two through page 241 in Chapter fifteen, several bw illustrations throughout. Chapter 2. Delving into the secrets of color: Color and sound are kin -- Chapter 3. Delving into the secrets of color: The red ray -- Chapter 4. Delving into the secrets of color: The blue ray -- Chapter 5. The violet ray -- Chapter 6. Orange, yellow and green rays -- Chapter 7. The relation of white and black to color and the effects of color vibration -- Chapter 8. Color therapeutics or color healing -- Chapter 9. The psychological effect of colors -- Chapter 10. The principle of color mathematics -- Chapter 11. Arranging colors mathematically -- Chapter 12. Colorology or the science of colors -- Chapter 13. Correct use of colors for commercial purposes -- Chapter 14. Mathematical determination of "key color" and secondary key colors -- Chapter 15. A colorological r sumé. VG- (light scuffing and wear to covers, pages age toned but otherwise clean, missing Chapter One).