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Digital Archive International History Declassified

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  • February 10, 1949

    Proposal for Counter-Intelligence Operation ''Traitor'' Against Yugoslav Agents

    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.

  • January 21, 1953

    VGU Information on Activities of the Swiss, Belgian, Dutch and Swedish Intelligences Services

    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.

  • February 19, 1954

    Plan GELENA - Agent-Operational Measures on German Intelligence

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

  • March 25, 1955

    Information on Turkish Intelligence Interest on the Uranium Mine Buhovo

    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.

  • January 08, 1957

    Information on Turkish and Greek Intelligence Services Activity Against Bulgaria in 1956

    A report focused on the Turkish and Greek intelligence activities in Bulgaria. The report outlines the major areas of interest – the Bulgarian military infrastructure, economic development, and the Communist party leadership. The report also talks about the role of the Turkish diplomatic representatives in encouraging repatriation of Turkish-Bulgarians to Turkey.

  • July 21, 1958

    Special Information from Gen. I. Mihailov Based on a RUMNO Report on the Situation in the Middle East

    Bulgarian intelligence report on the developments during the 1958 Lebanon crisis.

  • March 23, 1959

    Report on Visit to Romania on Counterintelligence Issues

    A report on the visit that had to improve exchange of information between the two intelligence agencies.

  • June 17, 1959

    Information on French Intelligence Activity Against Bulgaria

    The memo focuses on the operations of the French intelligence services in Bulgaria during the late 1950s.

  • June 17, 1959

    Information on Foreign Counterintelligence Agents Network Abroad

    The report covers the work of Bulgarian intelligence operatives in the West for the last 18 months. Includes statistics by country.

  • January 11, 1961

    Information from MVR Inspectorate on Yugoslav Intelligence Services Against Bulgaria

    The Ministry of Internal Affairs reports its intelligence findings on the activities of the Yugoslav intelligence services against Bulgaria. Working both from home and in-country, the Yugoslav intelligence is allegedly trying to gather information on a broad set of issues – ranging from trade relations within Comecon, to Bulgaria’s military capacity and its potential to pose a threat to Yugoslav Macedonia.

  • September 05, 1961

    Ministry of the Interior Bulletin on Anti-Bulgarian Activity of Greece and Turkey

    The Ministry of Internal Affairs reports its intelligence findings on the military cooperation between the US, Greece and Turkey.

  • July 05, 1963

    Bulgarian Ministry of Internal Affairs, Information Report on NATO

    On 5 July 1963 the Bulgarian Ministry of Internal Affairs completed an information report on NATO's activity during the Cuban Missile Crisis. In the report, the ministry outlines detailed espionage carried out by NATO agents. According to the report, the NATO Military Intelligence Services provided instructions for NATO member-states' military attaches stationed in Warsaw Pact countries and agents they could get to cooperate with them. Agents were to observe and report specific military intelligence collecting in Warsaw Pact countries -- arms deliveries, missile sites, military movements, etc. The report also includes explanation of how the attaches carried out their intelligence gathering -- reading official press, speaking in Russian and misrepresenting themselves as Russian, etc . The Bulgarian Interior Ministry notes that Western governments were well-informed of Bulgarian military structures -- including exact formations and secret designations.

  • July 06, 1967

    Information on Meetings in Sofia with Stasi Chiefs Emilius and M. Wolf

    Includes a detailed description of the organizational structure of the Stasi.

  • 1977

    Bulgarian Interior Ministry Analysis of Foreign Propaganda against Bulgaria

    This document provides a detailed content analysis of the programs of individual Western broadcasters. It indicates particular sensitivity to broadcasts on Helsinki-related human rights issues, to the use of recent defectors with inside knowledge, and to Radio Free Europe's focus on domestic issues.

  • 1979

    Bulgarian Interior Ministry Note on Actions against Western Radio

    A Bulgarian Interior Ministry paper details coordinated actions against Western radio in the aftermath of the May 1977 Budapest meeting of Bloc security services. The paper identifies RFE, and notably several of its broadcasters who recently defected from Bulgaria, as a major threat. It accuses Western media of sensationalizing the murder of Georgi Markov (who was killed by the Zhivkov regime).

  • September 08, 1979

    Bulgarian Intelligence Analysis of US-Greek Relations

    A report on the state of bilateral relations with emphasis on military co-operation and the US mediation of the Greco-Turkish disputes.

  • March 15, 1984

    Bulgarian Interior Ministry Report on the Staff of the Bulgarian Service of Radio Free Europe

    A collaborator of the Bulgarian intelligence service provided detailed information on the personnel situation within the RFE Bulgarian Service.

  • March 10, 1985

    Excerpts from the Indictment of Mehmet Ali Agca

    Conclusions of the Investigation Case #179/1982 against Mehmet Ali Agca. The indictment contains details of the Bulgarian investigation of the assassination attempt against John Paul II.

  • December 30, 1985

    Bulgarian Interior Minister Visits Moscow to Coordinate Activities against Foreign Propaganda Operations

    This note regarding the results of the visit of a group of Interior Ministry officials to the KGB in Moscow contains a proposal to develop a coordinated plan to discredit RFE and RL.