| Answer | Crossword Clue |
|---|---|
| SSR | Latvia, once: Abbr. |
| SSR | Latvia, once (abbr.) |
| SSR | Latvia or Lithuania, once (abbr.) |
| SSRS | Estonia and Latvia, once: Abbr. |
| SSRS | Latvia et al., once: Abbr. |
| SSRS | Georgia and Latvia, once (abbr.) |
| SSRS | Georgia and Latvia, once: Abbr. |
| SSRS | Latvia and Lithuania, once: Abbr. |
| SSRS | Latvia and Ukraine, once: Abbr. |
| SSRS | Lithuania and Latvia, once: Abbr. |
| SSR | Lithuania or Latvia, once (Abbr.) |
| SSRS | Latvia and Estonia, once: Abbr. |
| SSRS | Estonia and Latvia, once (abbr.) |
| SSRS | What Latvia and Belarus once were: Abbr. |
