The Art and Color of Design
    Graves; McGraw-Hill, 1951

	Classic reference on the "art" of design
	Mathematical discussions of proportion and color/hue
	Lists "Seven Elements of Design" and "Five Principles of Design"
	Detailed discussion of the psychology of color

Color Fundamentals with 100 Color Schemes
    Graves; McGraw-Hill, 1952

	Excellent source on the physics and mathematics of color, hue, value, and chroma
	Many color wheels and color schema for choosing color combinations
	Detailed discussion of the psychology of individual colors