[
1. An American Vision: Three Generations of Wyeth Art, Little Brown & Company, Boston, 1987
]Search in Google Scholar
[
2. Gordon C. Aymar - The Art of Portrait Painting, Chilton Book Co., Philadelphia, 1967
]Search in Google Scholar
[
3. The official catalog of the 45th edition of the Venice International Biennial Art Exhibition. Section Past, Present, Future, Venice 1997, Ed Einaudi, Milan
]Search in Google Scholar
[
4. Radu Carnariu - Visual composition from a trans-disciplinary perspective, Ed. Artes, Iasi, 2020
]Search in Google Scholar
[
5. Cheney, Faxon, and Russo - Self-Portraits by Women Painters, Ashgate Publishing, Hants, England, 2000
]Search in Google Scholar
[
6. Betty Edwards - Drawing on the right side of the brain, 2017, Editura Penguin
]Search in Google Scholar
[
7. Martin J. Kemp - Leonardo da Vinci: Science and the poetic impulse, Journal of the Royal Society of Arts, Vol. 133, no. 5343 (Feb. Dinsmoor, J. A. (1985)
]Search in Google Scholar
[
8. David Piper - Illustrated Art Library, Portland House, New York, 1986
]Search in Google Scholar
[
9. John Pope-Hennessy - Portrait in the Renaissance, Bollingen Foundation, New York, 1966
]Search in Google Scholar
[
10. Robin Simon, Portrait in Great Britain and America, GK Hall & Co., Boston, 1987
]Search in Google Scholar
