Boenninghaus: Katz u. Blumenfeld's Handbuch d. speziellen Chirurgie d. Ohres, Vol. III, p. 372, 1923.
2.
Dahman: Zeitschrift f. Hals, Nasen u. Ohrenheilk., Vol. I, p. 261, 1922.
3.
Ischunin: Chirurgichesky Vestnik, 1890, p. I.
4.
Biecke: Fol. otolaryngologic, I T1, Bd. 15, p. 96, 1926.
5.
MouretDejean: Revue d'oto-neuro-oculistique, Vol. 4, p. 585, 1926. Ibid., T. 5, p. 138, 1927.
6.
Serra: Zentralblatt f. H., N., Ohren., abstract, Vol. X, p. 331, 1927.
7.
Garretson: Arch. of Otolaryngology, Vol. 5, p. 135, 1927.
8.
Righetti: Zbl. f. H. N., Ohren., Vol. 8, p. 609, 1927.
9.
Neilson: Ibid., Vol. XI, p. 108, 1927.
10.
Trockman: Proceedings of the meeting of Moscow Otolaryngological Society, 1927.
11.
Re: Zbl. f. H., N., Ohren., Vol. 3, 1923.
12.
VailH.: The Laryngoscope, Vol. 33, p. 428, 1923.
13.
Latteri: Zbl. f. H., N., Ohren., Vol. II, p. 185, 1922.
14.
NikolskyA. M.: Collection of papers dedicated to Prof. Levin, p. 168, 1925.
15.
Gavello: Zbl. f. H, N., Ohren (abstract), Vol. III, p. 248, 1923.
16.
Sercer: Ibid. (abstract), Vol. IV, p. 443, 1924.
17.
Kelemen: Zeitschrift f. Laryngolog., Rhinolog. und ihre Grenzgebiet. Vol. II,. p. 81, 1922.
18.
Talpyss: Russian Otolaryngology, 1924, p. 204.
19.
Eckert: Zeitschrift f. H., N., Ohrenheil., Vol. I, p. 68, 1922.
20.
Kurvit: Annal. d. maladies de l'oreille, Vol. 47, p. 527, 1928.
21.
Heyminx: Zbl. f. H., N., Ohren. (abstract), Vol. IV, p. 100, 1923.
22.
NikolskyA. M.: Vestnik rhino-laryngo-otiatr., Vol. I, p. 17, 1926.
23.
Garnouec: Rev. d. Stomatologie, Vol. 28, p. 691, 1926.
24.
ChristophC.: Annals of Otology, Rhinology and Laryngology, Vol. 35, p. 596, 1926.
25.
Haas: Beitrage z. klinische Chirurgie, Vol. 31, p. 139, 1901.
26.
Sonnenkalb: Zeitschrift f. Ohrenheilkunde und Krankheit d. obere Luftwege, Vol. 65, p. 252, 1912.
27.
Coenon: Zbl. f. Chirurgie, Jg.49, p. 892, 1922.
28.
Martin: Quoted after Eckert.
29.
Sturm: British Medical Journal, Vol. I. p. 603, 1912.
30.
Howarth: Zbl. f. H., N., Ohren., Vol. XI, p. 107, 1927.
31.
Gylhespy: Ibid., Vol. XI, p. 817, 1927.
32.
Fetissof: Russian Otolaryngology, Vol. XX, p. 485, 1927.
33.
Wiegmann: Arch. f. Ohren., Nasen und Kehlnapsheilk., Vol. 81, p. 120, 1910.
34.
Wiegmann: Zeitschrift f. Ohrenheil. u. Krankheit d. o. Luftwege, Vol. 57, No. 1, 1908.
35.
TodH.: Quoted after Dahman.
36.
Thost: Quoted after Wiegmann.
37.
Wirgler: Monatschrift f. Ohrenheilk., Vol. 53, p. 116, 1919.
38.
Pfeiffer: Zeitschrift f. Ohrenheilk., Vol. 64, p. 223, 1912.
39.
MoureuNadal: Quoted after Sonnenkalb.
40.
Verneuil: Quoted after Tauber.
41.
Bornhaupt: Voenno-Medicinsky Journal, 1882, p. 1.
42.
Tauber: Surgery, T. III, p. 40, 1898.
43.
HenriciZuckerkandl: Quoted after Dahman.
44.
Glass: Wien Medicinische Wochenschrift. No. 46-47, 1902.
45.
Wolf: Monatschrift f. Ohrenheilkunde, 51 Jg., 1907.
46.
RobinH.: The Laryngoscope, Vol. 38, p. 331, 1928.
47.
GavinYoungRitchieRodger: Proceedings of the Scottish Society of Otology and Laryngology. The Journal of Laryngology and Otology, Vol. 43, p. 223, 1928.
48.
CushingHarvey: The Journal of Laryngology and Otology, Vol. 43, p. 595, 1928.
