Answer: ssr

AnswerCrossword Clue
SSR

Former Union member: Abbr.

SSR

Latvia, once (abbr.)

SSR

Ukr., once

SSR
Azerbaijan, prev.
SSR
Lithuania, once: Abbr.
SSRBygone map letters
SSRUkr. or Lat., once
SSREstonia, once: Abbr.
SSRGeorgia, once: Abbr.
SSRKazakhstan, until 1991: Abbr.
SSRLith., formerly
SSRKazakhstan, once (abbr.)
SSRRuss. unit
SSRKazakh or Uzbek (abbr.)
SSRUkr. used to be one
SSRUkr., e.g., once
SSRUkr. or Lith., once
SSROld atlas abbr.
SSRUkr., formerly
SSRLith. or Ukr., once
SSRUkr.'s old status
SSRUkr. or Est., once
SSRUkr., once, e.g.
SSRGeorgia, once (abbr.)
SSRCold War abbr.
SSRPre-1991 UKR or UZB
SSRLat. or Lith., once
SSRBelarus, in prev. days
SSRMoldova, formerly: abbr.
SSROld European map abbr.
SSRGeorgia, formerly: Abbr.
SSROld atlas letters
SSRFormer empire abbr.
SSRFormer world power div.
SSROld Communist letters
SSROld map initials
SSRUzbekistan, once: Abbr.
SSRKazakhstan, once: Abbr.
SSRLith., once
SSROld map letters