History 120 Philosophy 108 Management 79 Biochemistry 69 Microbiology 58 Literature 57 Psychology 56 Sociology 56 Genetics 55 Biography 54 Economics 53 Mathematics 50 English literature 49 Research 48 History and criticism 47 Social Sciences 46 Computer science 41 Economic development 40 Marketing 38 Education 37 Biotechnology 36 Marketing management 36 Criticism 35 Mass media 35 Communication 34 Political science 34 United States 34 Tourism 32 Irrigation 31 Law 31