Fundamental lessons of the discovery of Traïcho Kostov's group and the struggle for its destruction: on the shortcomings in the party work and our tasks: report to the plenum of the Central committee of the Bulgarian communist party, 16th January, 1950
Title
Fundamental lessons of the discovery of Traïcho Kostov's group and the struggle for its destruction: on the shortcomings in the party work and our tasks: report to the plenum of the Central committee of the Bulgarian communist party, 16th January, 1950