Court, Nathan Altshiller College geometry: an introduction to the modern geometry of the triangle and the circle / Nathan Altshiller Court - 2nd. rev. enl. ed. - New York : Barnes & Noble, 1952 - xix, 313p. : ill. ; 21 cm. Includes bibliographical references and index. Subjects--Topical Terms: GeometryGeometry Dewey Class. No.: 513 / COU