Foreign relations -- 38 Politics and government 21 History -- 19 Politics and government -- 15 History 13 Foreign relations 10 Economic conditions -- 6 more ... United States -- 6 World politics -- 6 Civilization 5 Congresses -- 5 Sources 5 Afro-Americans -- 4 Civilization -- 4 Congresses 4 International relations -- 4 Military policy 4 Relations -- 4 Social conditions 4 Addresses, essays, lectures 3 Diplomatic and consular service, American 3 Economic policy 3 Economics -- 3 Political science -- 3 Social conditions -- 3 Almanacs, American 2 Anglo-American cataloguing rules 2 Constitutional law 2 Defenses 2 Descriptive cataloguing -- 2 less ...