Kramer, Edna E. 1902- The main stream of mathematics / Edna E Kramer - New York : Oxford University Press, c1951. - xii, 321 p. : illus. ; 21 cm. Bibliography: p. [311]-312. and index. Subjects--Topical Terms: Mathematics--History. Dewey Class. No.: 510.9 / KRM 1951