Gillispie, Charles Coulston. The edge of objectivity : an essay in the history of scientific ideas. - Princeton, N.J. : Princeton University Press, 1960. - 562 p. : illus. ; 23 cm. Includes bibliography. LCCN: 60005748 Subjects--Topical Terms: Science--History.Science--Philosophy. LC Class. No.: Q125 / .G49 Dewey Class. No.: 509