Jewish Communist Union (Poalei Zion)

Jewish Communist Union (Poalei Zion), Komverband was the name taken by the Left World Union of Poalei Zion in 1921. Komverband had members in Russia, Lithuania, Latvia, Austria, Italy, Poland and other countries.

Source: Wikipedia — Jewish Communist Union (Poalei Zion) (CC BY-SA 4.0)