Simpson, George Gaylord, 1902-1984 The meaning of evolution : a study of the history of life and of its significance for man / by George Gaylord Simpson. - New Haven : Yale University Press, 1949. - xv, 364 p. ; 21 cm. - 576.1 (NLA) . Bibliographical footnotes. Subjects--Topical Terms: Evolution (Biology) Universal Decimal Class. No.: 576.1 (NLA)