French language -- 67 English 54 English language -- 53 Study and teaching -- 53 Grammar 48 Study and teaching 48 Chinese language -- 43 more ... Audio-visual aids 31 Self-instruction -- 29 Spanish language -- 29 Textbooks for foreign speakers -- 28 History 26 German language -- 25 Self-instruction 24 Sound recordings for English speakers 24 Pronounciation 22 Conversation and phrase books -- 21 Description and travel 20 Politics and government 20 Foreign relations -- 19 Interactive multimedia 18 Economic conditions 17 English speakers -- 17 Textbooks for foreign speakers 17 Chinese Language -- 15 English speakers 15 Foreign relations 15 Foreign films -- 14 Politics and government -- 14 Pronunciation 14 less ...