Von HippelE.: Retrobulbar Neuritis of Nasal Origin. Arch. f. Ophth., 128: 23, Feb., 1932.
2.
BenedictWm. L.: Retrobulbar Neuritis and Disease of the Nasal Accessory Sinuses. Arch. of Ophth., 9: 893, June, 1933.
3.
Von BakjayT.: Rhinogenous Retrobulbar Neuritis. Monatschr. f. Ohrenh., 67: 907, Aug., 1933.
4.
BlattN.: Is Retrobulbar Neuritis as Often Due to Disease of the Nasal Sinuses as Is Generally Held? Tenth Cong. Rumanian Soc. Otorhinolaryngology, Bucharest, Oct. 29–30, 1932.
5.
BachstezE.: Retrobulbar Neuritis. Monatschr. f. Ohrenh., 66: 1349, Nov., 1932.