TY  - BOOK
AU  - 
TI  - Lingua languae language / Mario Pei
U1  - Hem 410 
PY  - 1954///
CY  - Chicago: 
PB  - Sciencie Research Associates, 
KW  - LENGUAJE
N1  - The Tower of Babel.-- 2. How did speech begin?.-- 3. Could we get along without speech?.-- 4. The art of writing
ER  -