1. Operation for congenital glaucoma;Barkan;Am. J. Ophth.,1942
2. Technique of goniotomy for congenital glaucoma;Barkan;Tr. Am. Acad. Ophth.,1948
3. Present status of goniotomy;Barkan;Am. J. Ophth.,1953
4. Surgery of congenital glaucoma;Barkan;Am. J. Ophth.,1953