[514] Bromfield, Chirurgical observations and cases, London, 1773.
[515] Le dentiste observateur, Paris, 1775.
[516] Vollständige Anweisung zum Zahn-ausziehen, Stendal, 1782.
[517] Theden, Neue Bemerkungen und Erfahrungen, Berlin, 1782, part second, p. 254.
[518] J. van Wy, Heelkundige Mengel stoffen, Amsterdam, 1784.
[519] Journal de Médecine, 1791, tomes 86, 87.
[520] Sprengel, p. 356 to 357.
[521] Odontologia, ossia Trattato sopra i Denti.
[522] Benjamin Bell, System of Surgery, 1783 to 1787, vol. iii.
[523] Medical Transactions of the College of Physicians of London, 1783, vol. iii, p. 325.