USSR: Communist Party: 1917-1991 |
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 Leadership of the Communist Party |
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| Party Congresses |
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| Transitional period (1917-1919) |
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| Politburo of the Central Committee (1919-1952) |
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| Orgburo of the Central Committee |
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| Secretariat of the Central Committee |
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| Presidium of the Central Committee |
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| Politburo of the Central Committee (1966-1991) |
