1. Textbook of Ophthalmology;Duke-Elder,1954
2. Peripatetic intraocular foreign body;Crawford;AMA Arch. Ophth.,1960
3. Unusual case of an intraocular foreign body;Donohue;Am. J. Ophth.,1956
4. Bilateral foreign bodies;Gager;Am. J. Ophth.,1956
5. Injuries of the eye;Cross,1950