Series contains records maintained by Leonard B. Rist from the early period of IBRD history primarily when he first served as Director of the Research Department, later Economics Department between 1946 and 1960. Records are varied and include correspondence and speeches that Rist drafted for President Eugene Black during the period 1947-1953 and an information packet prepared for Black's 1952 trip on which Rist and other senior staff accompanied him to Pakistan, India, Ceylon, Thailand, and Australia. Also included is a file of Rist's speeches to the information conferences (1949-1959), two or three-day sessions at the Bank where groups of individuals in the finance profession would be introduced the Bank and its operations (1949-1951), a file on establishing the Research Department in 1946, and files on loan policy, 1946-1967. Records from the 1950s relate to the European Investment Bank and French oil exploration, and UK credit conditions covering 1945-1957. In 1963 and 1964 while he was Special Adviser to the President, Rist chaired the Committee on Loan Charges, and these files include correspondence on the Committee's Memorandum on Loan Charges (1964). Other files (1960-1968) relate to terms of Bank loans, market loans, IBRD reserves and 9% subscriptions, and Bank and IDA financial policy.