1. v. Graefe's Archiv für Ophthalm. XIX. 2. (1873.)
2. Ibid. XLI. 1. (1895).
3. Ibid. XXII. 3. (1876) und XXIII. 2. (1877).
4. Ibid. XXIII. 1. (1877.)
5. Transact. of the VII. sess. of the Internat. med. congr. Lond. 1881. Vol. III. p. 88 (Discussion).