"Color in design" . . "Color." . . "Color en el arte." . . . . "Color theory" . . "farvelære" . . . . "The Enjoyment and use of Color" . . . . . . . . . . . . . . . . . . . . . . . . "The enjoyment and use of color"@en . "The enjoyment and use of color" . . "Enjoyment and use of color"@en . . . . . . . . . "The Enjoyment and use of color" . . . . . . "Textbooks"@en . . . . "The Enjoyment and Use of Color. [With coloured plates.]"@en . . "Couleur." . . "Color in art." . .