(1) “Works of Ambrose Paiey,” Paris, 1579.
(2)Memoires de l'Académie Royale des Sciences,” 1700, pp. 244, 285.
(3)Memoires de l'Académie Royale des Sciences, 1741, p. 409.
(4)Müller's, “Elements of Physiology,” Baly, London, 1842.
(5) “Elements of Physiology,” Magendie, 1816.
(6) “De Vocis Formatione,” Berlin, 1835.
(7) “Memoire sur la Voix Humaine,” Magendie's “Physiology,” 1825.
(8) “Recherches sur le Méchanisme de la Voix Humaine,” Paris, 1832.
(9)Transactions of Philosophical Society of Cambridge, 1832.
(10)London and Edinburgh Philosophical Magazine, 1836.
(11) “Elements of Physiology.”
(12) “Observations Physiologique sur la Voix Humaine,” Paris, 1861.
(13)Edinburgh Med. Journ., 1866.
(14) “Sensations of Tone,” London, 1885.
(15)Proc. Roy. Instit., 1891. Semon on the vocal registers.
(16)Brit. Med. Journ., 1895, vol. xi, p. 482.
(17)Münch. med. Wochenschr., 1895.
(18)Proc. Amer. Soc. Adv. Sc., 1882.
(19) “Hygiene of Vocal Organs,” Macmillan & Co., 1886.
(20) “Étude Expér. sur la Phonation,” Paris, 1886.
(21) “Maladies de la Voix,” Paris, 1902.
(22) “Proc. Pan. Amer. Cong, of Med.,” Washington, 1893.
(23)Aiken, , “The Voice,” London, 1900.
(24) “Maladies de la Voix Chantée,” Poinat, Paris, 1907.
(25) “Human Physiology,” Landois, London, 1904.