French language -- 62 Study and teaching 50 English 46 English language -- 46 Grammar 46 Study and teaching -- 39 Chinese language -- 38 more ... Foreign relations -- 32 Politics and government 28 Spanish language -- 28 Textbooks for foreign speakers -- 28 History 27 Self-instruction 23 Self-presentation 23 Foreign relations 22 Pronounciation 22 Interpersonal communication 21 Public speaking 21 Description and travel 20 German language -- 20 Politics and government -- 20 Economic conditions 19 Interactive multimedia 18 Textbooks for foreign speakers 18 Conversation and phrase books -- 17 English speakers -- 17 Sound recordings for English speakers 17 Chinese Language -- 15 English speakers 15 Foreign films -- 14 less ...