“…"Bibliotheek Camille HuysmansArchief 'Belgische afdeling van de Vierde Internationale' Wijziging ondertitel: (jun-jul 1931) Revue théorique mensuelle de l'Opposition Communiste Internationale de Gauche / (aug-sep 1931) Revue théorique de l'Opposition Communiste en France / (15 apr 1932) Revue théorique mensuelle de la Ligue Communiste Section Française de l'Opposition Communiste de Gauche Internationale / (jan 1935) Organe mensuel du marxisme révolutionnaire Motto: Proléraires de tous les pays, unissez-vous ! …”

“…Now that the initial excitement has subsided, the opposition's internal debate about the forms and methods of future action is gathering momentum. …”

“…Are Changes in the Soviet Union Relevant to the Polish Opposition? / by Nika KrzeczunowiczThe last two issues of the independent weekly "Tygodnik Mazowsze" gave a prominent place to two discussions: one on the implications of the current Soviet situation for the Polish opposition and the other on censorship and the Polish independent press. …”