| Soviet leader who signed SALT I and II | 38 |
| Soviet leader ___ Kosygin | 25 |
| Soviet leader: 1917–24 | 29 |
| Soviet letters | 14 |
| Soviet Literature Nobelist Bunin | 32 |
| Soviet military force | 21 |
| Soviet military symbol | 22 |
| Soviet missiles | 15 |
| Soviet money producer | 21 |
| Soviet monster | 14 |
| Soviet moon mission series | 26 |
| Soviet moon probe | 17 |
| Soviet moon program | 19 |
| Soviet mountain range | 21 |
| Soviet mountains | 16 |
| Soviet news acronym | 19 |
| Soviet news agcy. | 17 |
| Soviet news agency | 18 |
| Soviet news agency formerly | 28 |
| Soviet news bureau | 18 |
| Soviet news group | 17 |
| Soviet news org. | 16 |
| Soviet news service | 19 |
| Soviet news service: ITAR-___ | 29 |
| Soviet news source | 18 |
| Soviet newspaper | 16 |
| Soviet nuclear physicist Kurchatov | 34 |
| Soviet or Weimar follower | 25 |
| Soviet or Western | 17 |
| Soviet orbiter | 14 |
| Soviet org. in James Bond stories | 33 |
| Soviet paper | 12 |
| Soviet penal system | 19 |
| Soviet peninsula | 16 |
| Soviet Physics Nobelist ___ Tamm | 32 |
| Soviet place of exile | 21 |
| Soviet poet Mandelstam | 22 |
| Soviet police before N.K.V.D. | 29 |
| Soviet police initials | 22 |
| Soviet political prison | 23 |
| Soviet premier | 14 |
| Soviet premier Joseph | 21 |
| Soviet premier Khrushchev | 25 |
| Soviet premier Kosygin | 22 |
| Soviet president: 1923–46 | 32 |
| Soviet press agcy. | 18 |
| Soviet press agency | 19 |
| Soviet prison camp | 18 |
| Soviet range | 12 |
| Soviet range or river | 21 |
| Soviet refusal | 14 |
| Soviet region | 13 |
| Soviet region, for short | 24 |
| Soviet region: Abbr. | 20 |
| Soviet rep. | 11 |
| Soviet republic | 15 |
| Soviet revolutionary | 20 |
| Soviet river | 12 |
| Soviet river. | 13 |
| Soviet salt lake | 16 |
| Soviet satellite | 16 |
| Soviet scientist Kurchatov | 26 |
| Soviet sea | 10 |
| Soviet sea: Var. | 16 |
| Soviet seaport | 14 |
| Soviet seaweed? | 15 |
| Soviet secret police chief | 26 |
| Soviet security agcy. | 21 |
| Soviet space dog | 16 |
| Soviet space probe | 18 |
| Soviet space program | 20 |
| Soviet space ship | 17 |
| Soviet space station | 20 |
| Soviet space station fragment? | 30 |
| Soviet space vehicle | 20 |
| Soviet space venture | 20 |
| Soviet space-dog | 16 |
| Soviet spacecraft | 17 |
| Soviet spy agcy. | 16 |
| Soviet spy Aldrich | 18 |
| Soviet spy org. | 15 |
| Soviet spy Rudolf | 17 |
| Soviet spy Rudolf and actor Walter | 34 |
| Soviet spymaster in a John le Carré trilogy | 46 |
| Soviet state | 12 |
| Soviet store | 12 |
| Soviet streaker | 15 |
| Soviet streakers | 16 |
| Soviet stream | 13 |
| Soviet sub class | 16 |
| Soviet subdivision | 18 |
| Soviet submarine class | 22 |
| Soviet subs | 11 |
| Soviet suds | 11 |
| Soviet symbol | 13 |
| Soviet trade unit | 17 |
| Soviet tyrant | 13 |
| Soviet union | 12 |
| Soviet Union pt., once | 22 |
| Soviet Union spy org. | 21 |