Public relations Police 17 Libraries 12 Publicity 12 Corporations 10 Schools 9 Universities and colleges 8 Case studies 7 Social aspects 7 Sports 7 Industries 6 Community and school 5 Congresses 5 Advertising 4 Government publicity 4 Handbooks, manuals, etc 4 Libraries and community 4 Marketing 4 Communication in management 3 Industrial publicity 3 Management 3 Periodicals 3 Social service 3 Administration 2 Authorship 2 Banks and banking 2 Business 2 College publicity 2 Communication 2 Communication in library science 2