History 125 Korea 70 Indians of North America 53 Biography 47 Collected works 32 Statistics 31 India 26 Normal distribution 23 Philosophy 22 Social sciences 21 History and criticism 18 Human rights 17 Politics and government 17 Social conditions 17 normal distribution 17 Economics 16 Law 16 Social Sciences 16 Literature 15 North America 15 NATO 14 Arts 13 Foreign relations 13 Indian authors 13 Memoirs 13 North Atlantic Treaty Organization 13 Women 13 Drama 12 General history of North America - United States 12 History India 12