Beveridge, W. I. B. 1908- The art of scientific investigation / W. I. B. Beveridge. - Rev. ed. - New York : Norton, 1957. - 178 p. : illus. ; 22 cm. Continued by the author's Seeds of discovery. Subjects--Topical Terms: Research. Dewey Class. No.: 507.2 / BEA 1957