History 1,052 Dissertations, Academic 882 Dissertations 881 English language 493 Description and travel 434 Management 396 Economic conditions 308 Politics and government 303 Accounting 260 Periodicals 244 Law and legislation 233 Handbooks, manuals, etc 227 Dictionaries 223 Pictorial works 202 Social life and customs 199 Directories 175 Study and teaching 161 Technique 143 Interior decoration 142 Guidebooks 140 Leadership 137 Finance 132 Biography 129 Standards 126 Islam 124 Universities and colleges 117 Social conditions 116 Religious aspects 114 Women 113 Economic policy 105