先史美術
↑ "The term "prehistoric" ceases to be valid some thousands of years B.C. in the Middle East but remains a warranted description down to about 500 A.D. in Ireland", Review by "A. T. L." of Prehistoric Art by T. G. E. Powell, The Journal of the Royal Society of Antiquaries of Ireland, Vol. 97, No. 1 (1967), p. 95, Royal Society of Antiquaries of Ireland, JSTOR
↑ St. Fleur, Nicholas (2018年9月12日). “Oldest Known Drawing by Human Hands Discovered in South African Cave”. The New York Times. https://www.nytimes.com/2018/09/12/science/oldest-drawing-ever-found.html 2018年9月15日閲覧。
↑ “Shell 'art' made 300,000 years before humans evolved - New Scientist”. New Scientist. 2014年12月7日閲覧。