Poster with title text and photo of Soviet Jews demonstrating in the Soviet Union resulting in their arrest, and describing the predicament of refuseniks Sylva Zalmanson and Isaac Shkolnik. Encoura... Show morePoster with title text and photo of Soviet Jews demonstrating in the Soviet Union resulting in their arrest, and describing the predicament of refuseniks Sylva Zalmanson and Isaac Shkolnik. Encourages students to volunteer for SSSJ during summer vacation Show less