Hamilton, George Heard (Autor Personal)

De arte illuminandi. An anonymous fourteenth-century treatise ... 1933.

New York times, Apr. 1, 2004 (George Heard Hamilton; museum director, authority on modern art; b. in Pittsburgh; d. on Monday [Mar. 29] in Williamstown, Mass., aged 93)

Dict. of art historians online, viewed July 9, 2014 (George Heard Hamilton, b. 1910; d. 2004)

Wikipedia, viewed April 20th, 2020 (George Heard Hamilton (1910-2004) was professor of the history of art at Yale University, 1936-1966. Hamilton had a wide range of appointments in the academic art world in addition to his position at Yale, including Slade professor at Cambridge University from 1971.) https://en.wikipedia.org/wiki/George_Heard_Hamilton