(a) 1937-1969

Party leader, Josif Stalin (1929-1953)
Head of Secret Police/Security Services – N. Yezhov, L. Beria
Foreign Minister – Litvinov, Molotov, Vyshinsky

Documents
1930s – 10
1940s – 3
1950s – 1

Party leader – Nikita Khrushchev (1955-1964)
Head of KGB – Serov, Semichastny
Foreign Minister – Gromyko

1950s – 13
1960s – 9

Party leader – Leonid Brezhnev (1965-1982)
Head of KGB – Semichastny, Andropov
Foreign Minister

1960s – 59