General 557 LANGUAGE ARTS & DISCIPLINES 557 Linguistics Readers Alphabets & Writing Systems 556 Grammar & Punctuation 556 Spelling 556 FOREIGN LANGUAGE STUDY 551 Multi-Language Phrasebooks 551 Translating and interpreting 229 Study and teaching 204 Language and languages 193 Étude et enseignement 168 Langage et langues 166 Acquisition 124 Second language acquisition 107 Langue seconde 102 Translation & interpretation 45 Language acquisition 44 Applied linguistics 39 Research 39 Linguistique appliquée 38 Methodology 36 Traduction 35 Recherche 33 Translating 33 English language 31 History 30 Langage 30 Méthodologie 28