"Polish Socialist party" . . . . . . . "Socialist" . . . . . . . . . . "Polish socialist traditions" . . . . "socialist" . . . . . "Kiev Section of Polish Socialists" . . "socialists" . . . . "PPS-WRN" . . . . . "Polish Socialist Party '''(PPS)'''" . "1892" . . . . . . . . . . . . . . . . . . . . . . "Polish socialists" . . . "Polish Socialist Party" . . . . . . . . . . . . "Polish Socialist Party" . . . "Polish Socialist Party in exile" . . . . . "Polska Partia Socjalistyczna" . "Red" . . . . . . . . . . . . . . . "Polish socialist" . . . . . . . . . . . . . . . "PPS's" . . . . "Polish Socialist" . . . . "Socialist Party" . . . . . . "PPS" . . . . . . . . . .