Working class 65 History 15 Social conditions 12 India 9 Women 9 Economics 8 Labor economics 8 Social Sciences 8 Capitalism 7 Industrial relations 7 Labor unions 7 Labor movement 6 Political activity 5 Economic conditions 4 History and criticism 4 Kerala politics 4 Labor 4 Labour economics 4 Politics and government 4 Social movements 4 Working class families 4 Working class in literature 4 Working class women 4 Working class writings, English 4 Birth control 3 Dalits 3 Education 3 English fiction 3 Labor supply 3 Literature 3