Yearbook 52 Yearbooks 15 Yearbook -- 11 Armaments 6 Disarmament 6 Periodicals 5 Diplomacy -- 4 more ... Negotiation -- 4 Politics and government -- 4 Economic conditions -- 3 Foreign relations -- 3 Statistics 3 Yearbooks -- 3 Commerce -- 2 Description and travel -- 2 Handbook 2 International conflicts -- 2 International law -- 2 National security -- 2 Security, International 2 Statistics -- 2 Approriation and expenditures -- 1 Budget -- 1 Charts, diagrams 1 Congresses 1 Courts -- 1 Culture -- 1 Developing countries -- 1 Diplomatic and consular service 1 Diplomatics 1 less ...