Actinic Press, London, 1938.
Huxley, Aldous,
The Doors of
Harper & Row, New York, 1963.
Iredell, C. E.,
Colour and Cancer,
H. K. Lewis & Co., London, 1930.
Itten, Johannes,
The Art of Color,
Reinhold Publishing Corp., New York, 1961.
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