Kerala History 172 Dissertations, Academic (Ph.D) 149 Thesis (Ph.D)-Economics 37 India 30 Culture 24 Biography 23 Study 22 Thesis (Ph.D)-Commerce 22 Law and legislation 19 Science 18 Congresses 16 Economic aspects 16 Economic development 16 Agriculture 15 Working paper 15 Education 14 Malabar 14 Sociology 14 Politics 13 Thesis (Ph.D)-Social sciences 13 Public administration 12 Social conditions 12 Economics 11 Folklore 10 Kathakali 10 Law 10 Thesis (Ph.D)-Gandhian studies 10 Civilization 9 Economic conditions 9