1. Wschr. ges;BASEDOW, C.A.;VON,1840
2. The Life of the Honourable Robert Boyle", in "The Works of the Honourable Robert Boyle;BIRCH, T.,1744
3. Medicinal Experiments;Taylor, London,1693
4. Text-book of Ophthalmiology;BRAIN, R.; TURNBULL, H.M.;Quart. J. Med,1938
5. Kimpton, London. (1952). Ibid., vol. 5, p. 5486.