Population 6 Science 6 Politics and government 5 Statistics 5 Economic conditions 4 Education 4 History 4 Periodicals 4 Social sciences 4 Nursing 3 World politics 3 American literature 2 Anthropology 2 Authors, American 2 Bibliotheekwezen 2 Biography 2 Business 2 Care and hygiene 2 Commerce 2 Cost accounting 2 Criminal statistics 2 Delivery of Health Care 2 Dentistry 2 Economic history 2 Economics 2 Family 2 Government 2 Indexes 2 Industrial statistics 2 International agencies 2 Libraries 2 Library science 2 Literature, Modern 2 Management 2 Managerial accounting 2 Medical care 2 Political science 2 Popular culture 2 Public health 2 Social problems 2 Sociology 2 Study and teaching 2 Technology 2 Vocational guidance 2 periodicals 2 Academic libraries 1 African Americans 1 Agriculture 1 Almanacs 1 Almanacs, American 1 American prose literature 1 Animal Welfare 1 Animal welfare 1 Animated films 1 Art, Modern 1 Artists 1 Arts 1 Arts, Dutch 1 Arts, Flemish 1 Authors 1 Authorship 1 BIBLIOTECAS 1 Best books 1 Bibliothèques 1 Bibliothéconomie 1 Bio-bibliography 1 Boekwezen 1 Book industries and trade 1 Budget 1 Building 1 Building materials 1 Building trades 1 CIENCIAS DE LA INFORMACION 1 Chemistry 1 Child development 1 Children 1 Children's literature 1 Cities and towns 1 Classification 1 College costs 1 College majors 1 College teachers 1 Commercial statistics 1 Community colleges 1 Conservation of natural resources 1 Construction industry 1 Corrections 1 Costs 1 County school systems 1 Curiosities and wonders 1 Degrees, Academic 1 Demographic aspects 1 Demographic surveys 1 Demography 1 Dental Hygienists 1 Dental Prophylaxis 1 Dental hygiene 1 Dental hygienists 1 Design and technology 1 Detective and mystery stories, American 1