college teachers 1 [vynechat] disidenti 1 [vynechat] dissenters 1 [vynechat] forced labour camps 1 [vynechat] penal colonies 1 [vynechat] political persecution 1 [vynechat] political prisoners 1 [vynechat] politici 1 [vynechat] politicians 1 [vynechat] politické perzekúcie 1 [vynechat] politickí väzni 1 [vynechat] pracovné tábory 1 [vynechat] trestanecké kolónie 1 [vynechat] vedecko-technický rozvoj 1 [vynechat] vysokoškolskí učitelia 1 [vynechat]