English language -- 16 Textbooks for foreign speakers 13 History -- 11 History 6 International economic relations 6 Politics and government -- 6 Grammar -- 4 more ... Industrial management 4 International relations 4 Management 4 Communism -- 3 Congresses 3 Economic conditions -- 3 Foreign relations 3 Information technology -- 3 International trade 3 Leadership 3 Problems, exercises, etc 3 Strategic planning 3 Armed Forces 2 Commercial policy 2 Corporate culture 2 Economic development 2 Etiquette 2 Evaluation 2 Examinations, questions, etc 2 Executive ability 2 Foreign relations -- 2 Globalization 2 Grammar 2 less ...