Foreign relations -- 53 Politics and government -- 37 History -- 13 Politics and government 12 Economic policy -- 11 Economic conditions -- 9 History 8 more ... Relations -- 8 Congresses -- 7 Military policy 7 Foreign relations 6 Perestroika 6 Biography -- 5 Foreign economic relations -- 5 Military relations -- 5 Social conditions -- 5 World politics -- 5 Communism -- 4 Congresses 4 Economic conditions 4 Nationalism -- 4 Cold War 3 Economic policy 3 Ethnic relations 3 Soviet Union 3 Archival resources -- 2 Armed forces -- 2 Autonomy and independence movements 2 Baltic States -- 2 Civil society -- 2 less ...