1. Die Cornea farinata;Vogt;Atlas of slit-lamp microscopy of the living eye,1930
2. Vogt, A. Die Cornea guttata senilis et presenilis. Ibid., p. 99.
3. Dystrophia epithelialis corneae;Fuchs;Archiv. f. Ophth.,1916
4. Bilateral chronic affection of the endothelial face of the cornea of elderly persons, etc;Graves;British Jour. Ophth.,1924
5. Pigmentierung der Hornhauthinterfläche bei “Dystrophia epithelialis, Fuchs.” Zeit;Kraupa;f. Augenh.,1920