Gill, Martha
Color harmony pastels : a guidebook for creating great color combinations
Rockport Publishers, 2000
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Boyle, Cailin
Color harmony a guidebook to create color combination for web site design
Rockport Publishers, 2001
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Marberry, Sara O., 1959-
The power of color : creating healthy interior spaces
John Wiley & Sons, 1995
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The Power of color creating healthy intrior spaces
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Itten
The Art of Color
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