1. Conjunctival granuloma with adenopathy;Hurst;Texas State Jour. Med.,1938
2. Parinaud. Quoted by Vail, see ref. no. 7.
3. Hoor, K. Cited by von Szily, see ref. no. 4.
4. Beitrag zur Aetiologie der sog. Paurinaudschen Krankheit;von Szily;Klin. M. f. Augenh.,1935
5. Nichelatti, P. Cited by von Szily, see ref. no. 4.