1. The development of the art and science of strabismology outside North America: Part II;von Noorden;J AAPOS,2001
2. Squint: its causes, pathology and treatment;Worth,1903
3. Binocular vision and ocular motility- theory and management of strabismus;von Noorden,1996
4. Strabismus convergens: a paper read before the Maine Medical Association; June 11, 1879; Portland, Maine;Holt,1879
5. Surgical alignment prior to six months of age for congenital esotropia;Ing;Trans Ophthalmol Soc,1995