found: Mariano di Jacope. Liber tertius de ingeneis ... 1969.
found: His Leonardo's rules of painting, 1979: t.p. (James Beck) pub. info. (Prof., art history, Columbia Univ.)
found: Dir. Amer. scholars (Beck, James Henry; b. 5/14/1930)
found: New York times WWW site, May 29, 2007 (James Beck; b. in New Rochelle, N.Y.; d. Saturday [May 26, 2007], Manhattan, aged 77; Columbia University art historian who became well known as a critic of what he viewed as the ruinous conservation of world masterpieces, including Michelangelo's Sistine Chapel ceiling)
Beck, James H.
