TY  - BOOK
AU  - Sacks, David
TI  - Language visible
SN  - 0-7679-1172-5
AV  - P211.S32 
CY  - New York
KW  -  English language--History
KW  -  Writing--History
KW  -  Written communication
KW  - Alphabets
KW  - Language and languages
ER  -