Braille specifications
A collection of standards documents for Braille.
- by: Perkins, International Council on English Braille (ICEB),
National Library Service for the Blind and Physically Handicapped
Library of Congress (NLS) and UNESCO
- published: Perkins, ICEB and NLS, Washington D.C., 2013, ISBN 978-0-8444-9564-4
- language: English
German
Refer to the official documents at the website of the Brailleschriftkomitee der deutschsprachigen Länder
Lithuanian
Please refer to the official government document.
Spanish
See the official documents at the ONCE website