[559] Woepcke, "Sur une donnee historique," etc., loc. cit., and "Essai d'une restitution de travaux perdus d'Apollonius sur les quantites irrationnelles, d'apres des indications tirees d'un manuscrit arabe," _Tome XIV des Memoires presentes par divers savants a l'Academie des sciences_, Paris, 1856, note, pp. 6-14. [560] _Archeological Report of the Egypt Exploration Fund for 1908-1909_, London, 1910, p. 18. [561] There was a set of astronomical tables in Boncompagni's library bearing this date: "Nota quod anno d[=n]i [=n]ri ihu x[=p]i. 1264. perfecto." See Narducci's _Catalogo_, p. 130. [562] "On the Early use of Arabic Numerals in Europe," read before the Society of Antiquaries April 14, 1910, and published in _Archaeologia_ in the same year. [563] Ibid., p. 8, n. The date is part of an Arabic inscription. [564] O. Codrington, _A Manual of Musalman Numismatics_, London, 1904. [565] See Arbuthnot, _The Mysteries of Chronology_, London, 1900, pp. 75, 78, 98; F. Pichler, _Repertorium der steierischen Muenzkunde_, Graetz, 1875, where the claim is made of an Austrian coin of 1458; _Bibliotheca Mathematica_, Vol. X (2), p. 120, and Vol. XII (2), p. 120. There is a Brabant piece of 1478 in the collection of D. E. Smith. [566] A specimen is in the British Museum. [Arbuthnot, p. 79.] [567] Ibid., p. 79. [568] _Liber de Remediis utriusque fortunae Coloniae._ [569] Fr. Walthern et Hans Hurning, Noerdlingen. [570] _Ars Memorandi_, one of the oldest European block-books. [571] Eusebius Caesariensis, _De praeparatione evangelica_, Venice, Jenson, 1470. The above statement holds for copies in the Astor Library and in the Harvard University Library. [572] Francisco de Retza, _Comestorium vitiorum_, Nuernberg, 1470. The copy referred to is in the Astor Library. [573] See Mauch, "Ueber den Gebrauch arabischer Ziffern und die Veraenderungen derselben," _Anzeiger fuer Kunde der deutschen Vorzeit_, 1861, columns 46, 81, 116, 151, 189, 229, and 268; Calmet, _Recherches sur l'origine des chiffres d'arithmetique_, plate, loc. cit. [574] Guenther, _Geschichte_, p. 175, n.; Mauch, loc. cit. [575] These are given by W. R. Lethaby, from drawings by J. T. Irvine, in the _Proceedings of the Society of Antiquaries_, 1906, p. 200.