- The Artist's Handbook of Materials and Techniques, by Ralph Mayer, Fourth Edition, copyright 1981, Viking Press, N.Y., N.Y.
- History of Color in Painting, by Faber Birren, copyright 1965, Reinhold Publishing Corporation, N.Y., N.Y.
- Perspective Drawing, by Kenneth Auvil, copyright 1990, Mayfield Publishing, Mountain View, California.
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