Mathematics for the million; illustrated by J. F. Horrabin. Hogben, Lancelot Thomas, 1895-1975. Horrabin, J. F. (James Francis), 1884-1962, illus. Mathematics. Mathematics History. Civilization. QA36 .H6 1951 510.8 HOM New York, Norton 1951 1951 1951 Text 697 p. eng