June 15, 1962
Letter to Minister of Interior Lubomír Štrouga, 'Jaroslav Mercl – Proposal to Send Him to British Guiana'
A letter sent on behalf of the Head of 1st Directorate of the Ministry of the Interior regarding a proposal to send Jaroslav Mercl to British Guiana to make a confidential probe "of a political character, including the preparation for the opening of diplomatic relations between both countries after British Guiana gains independence."
August 17, 1962
Letter to Minister of Interior Lubomír Štrougal, Report on 'Business Trip of Jaroslav Mercl to British Guyana'
Letter from Plk. (colonel) Houska to Minister of the Interior Lubomír Štrougal giving a summary of the report submitted by Jaroslav Mercl on a business trip/confidential probe in British Guyana. The report indicates that the Prime Minister, Cheddi Jagan, and his party are trying to gain independence and are strongly interested in gaining economic aid from socialist countries, including Czechoslovakia.