المراجع العامة

Anson K. Cross: Light and Shade

Friedrich Niederheitmann: Cremona

Solomon Joseph Solomon: The Practice of Oil Painting and of Drawing as Associated With It

Dolores Bacon: Pictures That Every Child Should Know

George F. Warner: Miniatures and Borders

M. E. Chevreul: Principles of the Harmony and Contrast of Colours

Thomas Leeson Rowbotham: The Art of Sketching From Nature

Uvedale Price: An Essay on the Picturesque

Charles Lester Barstow: Famous Pictures Described With Anecdotes of the Painters

Walter M. Gallichan: The Story of Seville