PhD Theses 170 Agriculture 158 Economics 153 History 153 MPhil Dissertations 123 Agricultural economics 117 Organic farming 111 Literature 89 Philosophy 86 Farm management 85 History and criticism 73 MSc Dissertations 72 Mathematics 63 Agricultural engineering 58 Management 56 Law and legislation 54 Literary form 54 Research 54 English language 47 Dissertations, Academic (Ph.D) 46 Social sciences 46 Management Information Systems 45 Ecology 44 Rural development 44 Arts 43 Criticism 43 Social aspects 43 Human rights 42 Methodology 42 Farming 41