Referensi Umum

Carlo Crivelli: Crivelli

Anson Kent Cross: Free-Hand Drawing

R. A. M. Stevenson: Velasquez

Anson K. Cross: Light and Shade

Thomas Kay: The Story of the Grafton Portrait of William Shakespeare Aetatis Svae 24, 1588

Dolores Bacon: Pictures That Every Child Should Know

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

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