Westfall, Richard S., Steps in the scientific tradition readings in the history of science edited by Richard S. Westfall and Victor E. Thoren. - New York Wiley [1968] - xii, 544 p. illus. 23 cm. LCCN: 68018627 Subjects--Topical Terms: Science--History. LC Class. No.: Q125 / .W44 Dewey Class. No.: 508/.1