TY - BOOK AU - Pei, Mario. TI - Story of languages SN - (N.A.) : U1 - T 409 21 PY - 1952/// CY - London PB - George Allen & Unwin KW - Writing KW - History KW - Language and family KW - Language and culture KW - Language and education KW - Language and languages KW - Sociolinguistic KW - Language, Universal N1 - Includes index ER -