March 26, 1965
Record of a Conversation between Representatives of the USSR Committee of State Security and the Ministry of Internal Affairs of the Czechoslovak Socialist Republic Concerning Questions of the Cooperation of the Covert Inspection of Mail Services
The CSSR and the USSR intelligence services agree to share information regarding suspicious mail correspondence.
July 04, 1965
Summary Record of the Discussions CSSR MVD and KGB Delegations
This report summarizes extended cooperation measures undertaken by representatives of the Czechoslovak and Soviet security agencies. Methods to increase cooperation include the exchange of operational and scientific technology and enhanced coordination between operational agencies to combat espionage and ideological diversion.