Emploi du braille dans le monde

Paris, Association Valentin Haüy, 1990
2-950872-0-8
VI, 123 p., tab., 28 cm.
((Tit. orig.: World Braille Usage
UNESCO
Library of Congress, National Library Service for the Blind and Physically Handicapped, Washington (D.C.)Association Valentin Haüy, Paris
Sistema Braille
Repertori
411EMP
Mano aperta che invita a donare il 5 per mille