1. de Buffon: Cited from Fowler, F.: The treatment of amblyopia. In Symposium on amblyopia, Am. Orthop. J., 6:19, 1956.
2. Temporal occlusion in concomitant convergent strabismus;Swenson;Am. Orthop. J.,1953
3. Quoted by Hefel, F.: Zur Geschichte der Behandlung der Amblyopic Klin;Comberg;Monatsbl. f. Augenh.,1953
4. Amblyopiebehandlung;Bangerter,1955
5. Moderne Schielbehandlung;Cüppers;Klin. Monatsbl. f. Augenh.,1956