1. “An account of a peculiar optical phenomenon seen after having looked at a moving body”;Addams;Philosophical Magazine,1834
2. “The persistence of vision”;Allen;American Journal of Physiological Optics,1926
3. “Vision and the Technique of Art”;Ames;Proceedings of American Academy of Arts and Sciences,1923
4. “The illusions of depth from single pictures”;Ames;Journal of the Optical Society of America,1925
5. “A survey of the literature on artistic behaviour in the abnormal II. Approaches and inter-relationships;Anastasi;Annals of the New York Academy of Sciences,1941