World braille usage.

Bibliographic Details
Corporate Authors:	Perkins School for the Blind, International Council on English Braille, Library of Congress. National Library Service for the Blind and Physically Handicapped
Format:	Government Document eBook
Language:	English
Published:	Watertown, MA : Toronto, Ontario : Washington, D.C. : Perkins School for the Blind ; International Council on English Braille ; National Library Service for the Blind and Physically Handicapped, Library of Congress, 2013.
Edition:	Third edition.
Subjects:	Braille. Blind > Printing and writing systems.
Online Access:	https://purl.fdlp.gov/GPO/gpo38772

Description
Item Description:	Title from title screen (viewed July 29, 2013). Includes index.
Physical Description:	1 online resource (xvi, 210 pages)