Kramer, Edna E. The main stream of mathematics. - New York Oxford University Press 1952. - xii, 321 p. illus. 22 cm. Bibliography: p. [311]-312. LCCN: 51002067 //r86 Subjects--Topical Terms: Mathematics--History. LC Class. No.: QA21 / .K7 Dewey Class. No.: 510.9