The Soviet KGB seeks Bulgaria's support with "active measures" relating to the origins of the AIDS virus as well as the Strategic Defense Initiative (SDI).

This document provides further details of joint KGB-Bulgarian measures to counter RFE and RL. It vaunts the effectiveness of Bulgarian regime counterpropaganda, claiming that it thwarted Western efforts to create internal strife in Bulgaria.

This document from the Sixth Directorate of Bulgarian State Security thanks “Soviet comrades” for their assistance in combating hostile propaganda against Bulgaria. It acknowledges the role of State Security in publishing articles in the Bulgarian media “exposing” RFE and RL, and refers to joint Soviet-Bulgarian operations against Western radios.

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.

Various counter-measures against RFE and RL were discussed in this meeting, including a possible international trial of the “committee” supporting RFE and RL.

A Bulgarian Interior Ministry account of the Prague meeting of Soviet bloc intelligence services on RFE and RL.

A report by the Deputy Minister of Internal Affairs, Mircho Spasov, on the Ministerial Meeting in Bucharest of delegations from Romania, Bulgaria, Czechoslovakia, Hungary, and the Soviet Union. The meeting called for focusing on preventing subversive acts of Western intelligence, improving exchange of information, and conducting joint operations.

Summary of main points from the meeting of the fraternal intelligence services held in Prague on the 13th and the 14th of February 1976.