Sound recordings and written summaries of interviews with British, Portuguese and African diplomats, politicians, economic advisers, journalists, and businessmen, relating to the Portuguese revolution of 1974, revolutionary developments in Portuguese colonies, and other aspects of the political situation in southern Africa; Western European communist leaders, relating to the Eurocommunist movement in Western Europe; British civil servants and financial and trade union leaders, relating to British political and economic conditions; and European government officials, relating to the decision-making process in the European communities.