1. Vernal Conjunctivitis;Beigelman,1950
2. Ocular allergies;Abelson,1987
3. Vernal keratitis;Jones;Trans. Ophthalmol. Soc. U.K.,1961
4. Diseases of the Outer Eye;Duke-Elder,1965
5. A review of 400 cases of vernal conjunctivitis;Neumann;Am. J. Ophthalmol.,1959