Social conditions 360 History 281 Social life and customs 234 Politics and government 138 Literature 125 Marine ecology-- Ocean ecology-- Sea ecology 117 Local government 106 India 104 Social Sciences 93 BOTANY 90 Botanical science 80 Koran 79 Social sciences 79 Social aspects 78 Economic conditions 77 Sociology 72 Botany 70 Dissertations, Academic (Ph.D) 64 History and criticism 62 Economics 61 Folklore 61 Literature Malayalam 58 Philosophy 58 Research 53 Botanical chemistry 52 Women 52 Economic development 50 Koran and Hadith 48 Biography 47 Caste 47