Westfall, Richard S. Never at rest : a biography of Isaac Newton / Richard S. Westfall. - Cambridge : Cambridge University Press, c1980 [Reprintde 1984]. - xviii, 908 p. : ill., ports. ; 24 cm. Includes index. ISBN: 0521274354 (pbk) 0521231434 Subjects--Personal Names: Newton, Isaac, 1642-1727. Subjects--Topical Terms: Physicists--Great Britain--Biography. Dewey Class. No.: 530.0924 / WEN 1984