[184] Śāradā numerals from The Kashmirian Atharva-Veda, reproduced by chromophotography from the manuscript in the University Library at Tübingen, Bloomfield and Garbe, Baltimore, 1901. Somewhat similar forms are given under "Numération Cachemirienne," by Pihan, Exposé etc., p. 84.
[185] Franz X. Kugler, Die Babylonische Mondrechnung, Freiburg i. Br., 1900, in the numerous plates at the end of the book; practically all of these contain the symbol to which reference is made. Cantor, Geschichte, Vol. I, p. 31.
[186] F. X. Kugler, Sternkunde und Sterndienst in Babel, I. Buch, from the beginnings to the time of Christ, Münster i. Westfalen, 1907. It also has numerous tables containing the above zero.
[187] From a letter to D. E. Smith, from G. F. Hill of the British Museum. See also his monograph "On the Early Use of Arabic Numerals in Europe," in Archæologia, Vol. LXII (1910), p. 137.
[188] R. Hoernle, "The Bakshālī Manuscript," Indian Antiquary, Vol. XVII, pp. 33-48 and 275-279, 1888; Thibaut, Astronomie, Astrologie und Mathematik, p. 75; Hoernle, Verhandlungen, loc. cit., p. 132.
[189] Bayley, loc. cit., Vol. XV, p. 29. Also Bendall, "On a System of Numerals used in South India," Journal of the Royal Asiatic Society, 1896, pp. 789-792.
[190] V. A. Smith, The Early History of India, 2d ed., Oxford, 1908, p. 14.
[191] Colebrooke, Algebra, with Arithmetic and Mensuration, from the Sanskrit of Brahmegupta and Bháscara, London, 1817, pp. 339-340.
[192] Ibid., p. 138.
[193] D. E. Smith, in the Bibliotheca Mathematica, Vol. IX (3), pp. 106-110.