Note 314 — Chapter V · Jesuit Colleges and their Work before the Suppression of the Society (1540–1773).

Professor Halsted of the University of Texas published a translation of Saccheri’s work in the American Mathematical Monthly, and Professor Manning of Brown University states that he has taken Saccheri’s method of treatment as the basis of the first chapter of his recent book Non-Euclidean Geometry, Boston, Ginn and Company, 1901, p. 92. See also Cajori, A History of Mathematics, p. 303.—Hagen, Synopsis der höheren Mathematik, vol. II, p. 4.