Marxism Communism 118 Social Sciences 77 Political Science 70 Economics 53 Socialism 51 Collected Works Marx Engels 24 Politics 18 Political science 13 Collected Works Marx Engels 12 History 10 Social Science 10 Karl Marx 9 Philosophy 9 Capitalism 8 Leninism 8 Biography 6 India 6 Criticism 5 Literature 5 Study 5 മാര്‍ക്സിസം 5 Feminism 4 Hindi literature 4 Marx, Karl 4 Marxian economics 4 Political Sciences 4 Political thought 4 Revolution 4 Selected Works R N Roy 4