History 10 Social conditions 7 Addresses, essays, lectures 6 Social aspects 6 Corporate planning 5 Management information systems 5 Case studies 4 Child development 4 History and criticism 4 Management 4 Marriage 4 Nutrition 4 Physical anthropology 4 Psychology 4 Cost accounting 3 Crime 3 Criminology 3 Description and travel 3 Economic development 3 Family 3 Finance 3 Human physiology 3 Organizational behavior 3 Organizational effectiveness 3 Public opinion 3 Research 3 Underdeveloped areas 3 Adjustment (Psychology) 2 Aged 2 Anatomy 2