C

• [×] Chekists‎ (11 P)

H

• [×] Heads of Government of the Soviet Union‎ (4 P)
• [×] Heads of State of the Soviet Union‎ (5 P)

L

• [+] Leaders of the Soviet Union‎ (2 C, 1 P)

P

• [×] People Born in the Soviet Union‎ (6 P)

R

• [+] Russia‎ (7 C, 1 P)

S

• [×] Soviet Union SSRs‎ (10 P)
• [×] Soviets‎ (66 P)

W

• [×] Wars Involving the Soviet Union‎ (12 P)
• [×] Works Set in the Soviet Union‎ (14 P)