1. Recent advances in the surgery of chronic glaucoma;Barkan;Amer. Jour. Ophth.,1937
2. On the genesis of glaucoma; An improved method based on slitlamp microscopy of the angle of the anterior chamber;Barkan;Amer. Jour. Ophth.,1936
3. The structure and function of the angle of the anterior chamber and Schlemm's canal;Barkan;Arch. of Ophth.,1936
4. On the surgery of glaucoma: Mode of action of cyclodialysis;Barkan;Amer. Jour. Ophth.,1936
5. Barkan, Otto. A new operation for chronic glaucoma. Read before the Demonstration Session of the Section of Ophthalmology of the A.M.A., Kansas City, Missouri, May, 1936. Trans. of the Sect. on Ophth. of the A.M.A., 1936, p. 244.