An extensive collection of documents belonging to Takeo Miki (1907-88), who served as 66th Prime Minister of Japan. In addition to primary sources showing the international situation particularly in Asia, the Middle East, and in Soviet-Chinese-US relations during the turbulent years of the 1960s to‘80s, Related Documents on Takeo Miki serves as a rich source of information on Japanese domestic affairs, including administrative and financial reform, pollution and environmental problems, social security, and issues in education.

Miki was first elected to the Diet before the war, at the age of thirty, and after holding important posts within the LDP, including Secretary-General and Chairman of the Policy Research Council, served as Director of the Economic Planning Agency, Minister of International Trade and Industry, Minister of Foreign Affairs, and Deputy Prime Minister and Environment Agency Director. This treasure trove of primary historical source material left by Takeo Miki covers responses to questions in the Diet, diplomatic documents, ministry and LDP policy documents, documents related to LDP leadership contests and elections, texts of speeches and lectures, diaries, notebooks, correspondence, and memos.