1. ... villagers of Djipologo, Upper Volta, who have lost their sight due to onchocerciasis Publication: [1950-1965?] Subject(s): Onchocerciasis, Ocular -- epidemiologyBlindnessEye DiseasesBurkina FasoWorld Health Organization
2. For many thousands of West African onchocerciasis is a reality that leaves an unhappy legacy of damaged or destroyed eyesight Publication: 1978 Subject(s): Onchocerciasis, OcularEye DiseasesBlindnessAfrica, WesternWorld Health Organization
3. Luis Braille: profesor francés que inventó la escritura en relieve para uso de los ciegos Publication: Buenos Aires : J. Comisarenco, [1940?] Subject(s): Visually Impaired PersonsBlindnessReadingBraille, Louis, 1809-1852.
