[1] WILHELM HOMBERG, _Memoires Academie, 1666-1699_ (Paris, 1730), vol. 10, under date of April 30, 1692, pp. 57-61. [2] FORTUNIO LICETUS, _Lithiophosphorus sive de lapide Bononiensi_ (Venice, 1640). [3] Cited in PETER JOSEPH MACQUER _Chymisches Woerterbuch_, 2nd ed. (Leipzig: Weidmann, 1789), vol. 4, p. 508, footnote "c" as "Kletwich (de phosph. liqu. et solid. 1689, Thes. II)." [4] FERDINAND HOEFER, _Histoire de la Chimie_ (Paris, 1843), vol. 1, p. 339. [5] G. W. VON LEIBNIZ, _Memoires Academie_ (Paris, 1682); _Akademie der Wissenschaften, Miscellanea Berolinensia_ (Berlin, 1710), vol. 1, p. 91. [6] JEAN HELLOT, _Memoires Academie 1737_ (Paris, 1766), under date of November 13, 1737, pp. 342-378. [7] MACQUER, op. cit. (footnote 3), p. 551. [8] A. S. MARGGRAF, _Akademie der Wissenschaften, Miscellanea Berolinensia_ (Berlin, 1743), vol. 7, 342 ff.; see also WILHELM OSTWALD _Klassiker der Exakten Naturwissenschaften_ (Leipzig: Engelmann, 1913), no. 187. [9] G. HANCKEWITZ, [Hankwitz], _Philosophical Transactions of the Royal Society of London_, 1724-1734, abridged (London, 1809), vol. 7, pp. 596-602. [10] ANTOINE LAURENT LAVOISIER, "Sur la Combustion du Phosphore de Kunckel, Et sur la nature de l'acide qui resulte de cette Combustion," _Memoires Academie 1777_, (Paris, 1780), pp. 65-78. [11] GUYTON DE MORVEAU and others, _Methode de Nomenclature Chimique_, Proposee par MM. de Morveau, Lavoisier, Bertholet, & de Fourcroy (Paris, 1787), plate 9. [12] MACQUER, op. cit. (footnote 3), p. 513. [13] MARIE BOAS, _Robert Boyle and Seventeenth Century Chemistry_ (New York: Cambridge University Press, 1958), p. 226; see also WYNDHAM MILES, "The History of Dr. Brand's Phosphorus Elementarus," _Armed Forces Chemical Journal_ (November-December 1958), p. 25. [14] ARCHIBALD CLOW and NAN L. CLOW, _The Chemical Revolution_ (London: Batchworth Press, 1952), p. 451. [15] EMILE KOPP, _Comptes-rendus hebdomadaires des Seances de l'Academie des Sciences, Paris_ (1844), vol. 18, p. 871; WILHELM HITTORF, _Annalen der Chemie und Pharmazie_, suppl. to vol. 4, p. 37; ANTON SCHROeTTER, _Annales de Chimie et de Physique_, series 3, vol. 24 (1848), p. 406; see also Schroetter's report on "Phosphor und Zuendwaaren" in A. W. VON HOFMANN, _Bericht ueber die Entwicklung der Chemischen Industrie_ (Braunschweig: Vieweg, 1875), pp. 219-246. [16] R. GLAUBER, _Furni Novi Philosphici_ (Amsterdam, 1649), vol. 2, pp. 12 ff. [17] HERMANN SCHELENZ, _Geschichte der Pharmazie_ (Berlin: Springer, 1904), p. 598. [18] J. PERSONNE, _Comptes-rendus ..._, Paris (1869), vol. 68, pp. 543-546. [19] A. WURTZ, _Dictionnaire de Chimie_ (Paris, 1876), vol. 2, part 2, p. 951. [20] KARL W. SCHEELE, _Nachgelassene Briefe und Aufzeichnungen_, edit. A. E. Nordenskioeld (Stockholm: Norstedt, 1892), pp. 38, 144. [21] J. J. BERZELIUS, _Lehrbuch_, transl. F. Woehler (Dresden, 1827), vol. 3, part 1, p. 96.