1. The Ocular Adnexa;Duke-Elder,1974
2. Nocardia asteroides infection of the nasal lacrimal system;Penikett;Am. J. Ophthalmol,1962
3. Bacterial infections of the eye;Gutierrez,1972
4. Fungal infections of the eye;DeVoe,1972
5. The lacrimal system;Viers,1976