Dissertations, Academic 998 Dissertations 971 History 52 Politics and government 51 United States 42 Study and teaching 38 Economic conditions 35 Social conditions 35 Education 27 English language 26 Foreign relations 25 Social aspects 25 Women 24 Islam 20 Psychological aspects 20 Time management 20 Attitudes 19 Leadership 19 Economic policy 17 Religious aspects 16 Management 15 Political aspects 15 Evaluation 14 Psychology 14 Academic achievement 13 Democracy 13 Social life and customs 13 Universities and colleges 13 Decentralization in government 12 Education, Higher 12