Sub-series consists of coded correspondence, arranged chronologically by code; miscellaneous coded correspondence, staff memoranda, MINA action telegrams, MINA correspondence and MINA retention copies arranged chronologically. Much of the material consists principally of routine correspondence from individuals, businesses and organizations. The staff memoranda are comprised mainly of copies of memoranda to and from various staff members and between Mr. Clark and his staff. The MINA retention copies were created in the part of the Minister's office which dealt with departmental liason. The bulk of these copies are copies of memos to and from Joe Clark. The sub-series covers a wide range of events and issues including the Baltic States, Free Trade, the Gulf War, Canada-U.S. relations, the UN, NATO, office administration and policy, the constitution, South Africa, Arab-Israeli relations and economic development in western Canada.