Title: The operational code of the Politburo
Subjects: Politics and government, Vsesoi͡uznai͡a kommunisticheskai͡a partii͡a (bolʹshevikov), Vsesoi͡uznai͡a kommunisticheskai͡a partii͡a (bolʹshevikov). Tsentral Komitet. Politicheskoe Biuro
Places: Soviet Union
Time periods: 1917-