1. A new operation for chronic glaucoma;Barkan;Trans., Sect. on Ophth., Amer. Med. Assoc.,1936
2. A new operation for chronic glaucoma: Restoration of physiological function by opening Schlemm's canal under direct magnified vision;Barkan;Amer. Jour. Ophth.,1936
3. On the genesis of glaucoma: An improved method based on slitlamp microscopy of the angle of the anterior chamber;Barkan;Amer. Jour. Ophth,1936
4. Sulla incisione dell' angelo irideo;De Vincentiis;Ann. di Ottal.,1891
5. Incisione dell' angelo irideo nel glaucoma;De Vincentiis;Ann. di Ottal.,1893