Certificate signed by Imre Nagy upon enlistment in the OGPU secret police (later the NKVD).

Matusov and Altman report on Nagy's arrest on 4/5 March 1938 and subsequent release on 8 March, and describe some of his work.

Sverdlov provides a brief overview of agent "Volodya" (Imre Nagy) and his work.

A Defense Ministry intelligence report on the domestic political developments for the month of September, 1945. The report presents the activities of the Fatherland Front government, the efforts of the opposition to discredit Fatherland Front’s policies; the acts of industrial sabotage of armed resistance groups; the work of foreign propaganda and the latest incidents in the armed forces.

Evaluation by the scientific director of the Soviet nuclear project, Igor Kurchatov, of the interview with Niels Bohr

Interrogation of nuclear physicist Niels Bohr about the scientific processes by which the atomic bomb is created and operated

Memo to Stalin discussing Beria’s efforts to obtain information from physicist Niels Bohr about development of the atomic bomb

A report on the investigation of a political conspiracy, said to be organized by Metodiy Chavdarov, a colonel at the Sliven garrison. The arrested colonel and his accomplices allegedly conspired to overthrow the Fatherland Front government, once the Soviet troops leave the country.

A report on the political climate in Western Europe and the activities of the Bulgarian communities abroad. The author concludes that since a new war seems imminent, the diplomatic and intelligence apparatus needs to be overhauled and old cadres dissmissed.

The head of the Bulgarian legation in Paris Asen Georgiev shares his observations for the inefficiencies in the Bulgarian intelligence apparatus. He recommends a number of measures that will potentially improve the intelligence operations abroad. As a first step he suggests sweeping personnel changes.

A proposal for the measures against the Yugoslav agents and their collaborators who, on Tito’s behalf, were allegedly working for the annexation of the Pirin Region by the Yugoslav Federation.

The Ministry of Foreign Affairs and the Ministry of the Internal Affairs create an informational bulletin on the domestic political developments.

Measures for improving the counterintelligence work at the ''Nessebar'' military site.

Report on the intelligence activities of some Western governments in Sofia. The report identifies the main areas of interest of the foreign intelligence services, names of some agents and names of collaborators.

The Polish Ministry of State Security orders all district heads to take measures to limit spill-over effects of the East German uprising. Regional offices are instructed to increase surveillance of ethnic Germans and “revisionist” elements.

Recommendations adopted by the National Security Council at the suggestion of the Psychological Strategy Board on covert actions to be undertaken in the Soviet Satellite States. Authorized by the National Security Council, NSC 158 envisaged aggressive psychological warfare to exploit and heighten the unrest behind the Iron Curtain. The policy was endorsed by President Eisenhower on June 26, 1953.

Detailed plan and timetable for the activities to expose intelligence operatives who have previously worked for Gestapo.

The report elaborates on the achievements of the army counter-intelligence services over a ten-year period—the eradication of reactionary officers conspiracy groups, the training of new recruits, etc.

Turkish intelligence agents are trying to gather information on the uranium mining in southwest Bulgaria. They believe that the extracted deposits are shipped to the Soviet Union for further processing and production of nuclear bombs.

BCP CC’s First Secretary, Vulko Chervenkov, approves Interior Minister Georgi Tsankov’s recommendations for improving the performance of the intelligence and counter-intelligence services.