Feichtman: Zeit. f. Naturh. v. Heilk. in Ungain, Oldenberg, 1857.
2.
Hutchinson and Jackson: Med. Times, 1861, 1.
3.
Habermann: Die luetischen Erkrankungen des Gehororgans, Jena, 1896.
4.
Mayer: Wien. med. Wchnshr., 1911.
5.
Politzer: Lehrbuch der Ohrenheilkunde, Stuttgart, 1908.
6.
Willcut: Disturbances of the Acoustic Nerve in the Early Stages of Syphilis. American Med. Assoc. Transactions, Section on Otol., Laryn. and Rhin., 1915.
7.
Wintermute: Auditory Neuritis, ibid.
8.
Ellis and Swift: Involvement of the Eighth Nerve in Syphilis of the Central Nervous System. Jour. Amer. Med. Assoc., May 1, 1915, Vol. 64, No. 18, p. 1471.
9.
Shaller: Early Diagnosis of Tabes Dorsalis. Amer. Med. Assoc. Transactions, Section on Neurology, 1916.
10.
Sexton: American Journal of Medical Sciences, 1879.
11.
RoosaSt. John: Archives of Otology, 1879.
12.
Moos: Arch. f. Path., Anat. u. Physiolog., Virchow, 1877.
13.
Rosenstein: Arch. f. Ohrenh., 1905, Vol. 65, 193.
14.
Manasse: Archives of Otology, 1903.
15.
Habermann: Arch. f. Ohrenh., Vol. 33.
16.
Bruehl: Deutsch. Otol. Gesethch., June, 1907.
17.
Mayer: Arch. f. Ohrenheil., Vol. 72, 1.
18.
Knick and Zaloziecki: Berl. klin. Wchnschr., 1912, Vol. 49, 639.
19.
GrantDundas: Transactions of the Ninth International Otological Congress, Boston, 1912.