[75]H. Bosmans, S.J., “La première édition de la Clavis Mathematica d’Oughtred. Son influence sur la Géométrie de Descartes,” Annales de la société scientifique de Bruxelles, 35th year, 1910-11, Part II, pp. 24-78.
[76]Ibid., p. 78.
[77]Vincent Wing, Harmonicon coeleste, London, 1651, p. 5.
[78]Seth Ward, In Ismaelis Bullialdi astronomiae philolaicae fundamenta inquisitio brevis, Oxford, 1653, p. 7.
[79]John Wallis, Elenchus geometriae Hobbianae, Oxford, 1655, p. 48.
[80]An Idea of Arithmetick, at first designed for the use of the Free Schoole at Thurlow in Suffolk. . . . . By R. B., Schoolmaster there, London, 1655, p. 6.
[81]The Miscellanies: or Mathematical Lucubrations, of Mr. Samuel Foster . . . . by John Twysden, London, 1659, p. 1.
[82]Moor’s Arithmetick in two Books, London, 1660, p. 89.
[83]Isaac Barrow, Euclidis data, Cambridge, 1657, p. 2.
[84]Francisci Dulaurens Specima mathematica, Paris, 1667, p. 1.