Battle Ground Berlinde David E. Murphy, Sergei A. Kondrashev, George BaileyMateriasUnited states, central intelligence agencySoviet union, komitet gosudarstvennoi bezopasnostiUnited states, foreign relations, soviet unionSoviet union, foreign relations, united statesEspionage, russianBerlin (germany), politics and government, 1945-1990Cold war
