Public relations -- 20 Public relations 18 Public relations and politics 5 Authorship -- 3 Foreign relations -- 3 Handbooks, manuals, etc 3 Mass media 3 more ... Case studies -- 2 Communication 2 Communication in management 2 Corporations 2 Diplomacy 2 Disaster relief 2 Human rights 2 International relations -- 2 International relief 2 Lobbying 2 Mass media and business 2 Psychological aspects 2 Armed Forces -- 1 Authorship 1 Business writing 1 Case studies 1 Communiation in international relations 1 Congresses 1 Corporate sponsorship 1 Corporations -- 1 Corporations Public relations Singapore 1 Crisis management 1 Diplomacy -- 1 less ...