This series contains fragments of John J. McCloy's correspondence with political leaders and prominent businessmen during his time as President of the World Bank from March 1947 to May 1949. The most substantial bodies of correspondence are with Emilio G. Collado, U.S. Executive Director of the World Bank, 1946-1947; Russell C. Leffingwell, Chairman of the Executive Committee of J.P. Morgan and Co. Inc.; and Bernard H. Baruch, American financier and stock investor.

The correspondence with Emilio Collado consists of letters and memoranda to McCloy regarding World Bank activities, including excerpts from memoranda Collado prepared for U.S. Secretary of State Dean Acheson and a document entitled "Note Relating to a Debt Limit" dated May 1947. McCloy's correspondence with Russell C. Leffingwell includes substantive comments on topics related to the Bank and its operations, such as money stabilization, sterling devaluation, the Bank's lending philosophy, and the prospects for European recovery under the MarshallPlan. Letters to and from Bernard H. Baruch include: a letter related to an Export Import Bank loan to England; a letter sent by Baruch to John Snyder, U.S. Treasury Secretary, on how to stimulate production in the world; and a copy of McCloy's memoranda to Snyder on lending.

Also included are McCloy's answers to questions from U.S. House of Representatives member Howard Buffet and U.S. Senator Leverett Saltonstall. Finally, a letter from Secretary of the Treasury John Snyder forwarding an August 1947 memoranda by U.S. President Harry Truman is also included. It concerns U.S. Ambassador to Chile Claude Bowers' complaint about Wall Street control over the operations of the Bank.