Parkinson, Claire L. Breakthroughs : a chronology of great achievements in science and mathematics, 1200-1930 / Claire L. Parkinson ; foreword by L. Pearce Williams. - Boston : G.K. Hall, c1985. - xi, 576 p. : ill. ; 25 cm. Includes indexes. Bibliography: p. 512-521. ISBN: 0816187061 Subjects--Topical Terms: Science--History.Mathematics--History.Civilization, Western. LC Class. No.: Q125 / P37 1985 Dewey Class. No.: 509219