Karush, William. The crescent dictionary of mathematics. Oscar Tarcov, general editor. - New York Macmillan 1962. - 313 p. diagrs., tables. 25 cm. Bibliography: p. 293-296. LCCN: 61017163 Subjects--Topical Terms: Mathematics--Dictionaries. LC Class. No.: QA5 / .K26 Dewey Class. No.: 510.3